skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
Patent Assignment Assignee Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Page 1 of 2
1 2

Assignee Name : ION GEOPHYSICAL CORPORATION
Total Assignments: 167
Assignment: 1
Reel/Frame:024754/0587   Pages: 5
Recorded: 07/28/2010
Attorney Dkt #:IO-1112-USC
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BULL, ANDREW
Exec Dt:
08/08/2007
2
WILLIAMSON, CRAIG
Exec Dt:
07/08/2007
3
WILLIAMS, MARTIN C.
Exec Dt:
07/13/2007
4
HOENMANS, SCOTT T.
Exec Dt:
07/13/2007
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITY WEST BOULEVARD, SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8908472
US20110022306
12841675
Correspondence name and address
MOSSMAN, KUMAR AND TYLER, PC
P.O. BOX 421239
HOUSTON, TX 77242
Assignment: 2
Reel/Frame:019922/0524   Pages: 2
Recorded: 10/04/2007
Attorney Dkt #:IO-1111US
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
INPUT/OUTPUT, INC.
Exec Dt:
09/21/2007
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20070286022
11760410
Correspondence name and address
MADAN, MOSSMAN & SRIRAM, P.C.
2603 AUGUSTA, SUITE 700
HOUSTON, TX 77057-5662
Assignment: 3
Reel/Frame:019922/0654   Pages: 2
Recorded: 10/04/2007
Attorney Dkt #:IO-1112US
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
INPUT/OUTPUT, INC.
Exec Dt:
09/21/2007
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20070286020
11760078
Correspondence name and address
MADAN, MOSSMAN & SRIRAM, P.C.
2603 AUGUSTA, SUITE 700
HOUSTON, TX 77057-5662
Assignment: 4
Reel/Frame:019922/0688   Pages: 2
Recorded: 10/04/2007
Attorney Dkt #:IO-1113US
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
INPUT/OUTPUT, INC.
Exec Dt:
09/21/2007
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8325561
US20070286023
11760094
Correspondence name and address
MADAN, MOSSMAN & SRIRAM, P.C.
2603 AUGUSTA, SUITE 700
HOUSTON, TX 77057-5662
Assignment: 5
Reel/Frame:019922/0787   Pages: 2
Recorded: 10/04/2007
Attorney Dkt #:IO-1114US
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
INPUT/OUTPUT, INC.
Exec Dt:
09/21/2007
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20070286021
11760122
Correspondence name and address
MADAN, MOSSMAN & SRIRAM, P.C.
2603 AUGUSTA, SUITE 700
HOUSTON, TX 77057-5662
Assignment: 6
Reel/Frame:019922/0877   Pages: 2
Recorded: 10/04/2007
Attorney Dkt #:IO-1115US
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
INPUT/OUTPUT, INC.
Exec Dt:
09/21/2007
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080021658
11760451
Correspondence name and address
MADAN, MOSSMAN & SRIRAM, P.C.
2603 AUGUSTA, SUITE 700
HOUSTON, TX 77057-5662
Assignment: 7
Reel/Frame:019943/0393   Pages: 3
Recorded: 10/11/2007
Attorney Dkt #:IO-1033US
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
INPUT/OUTPUT, INC.
Exec Dt:
09/21/2007
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD
SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6424931
NONE
09340085
Correspondence name and address
CHANDRAN D. KUMAR
MADAN MOSSMAN & SRIRAM PC
2603 AUGUSTA DRIVE, SUITE 700
HOUSTON, TX 77057-5662
Assignment: 8
Reel/Frame:020023/0977   Pages: 2
Recorded: 10/26/2007
Attorney Dkt #:IO-1036USC2
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
INPUT/OUTPUT, INC.
Exec Dt:
09/21/2007
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD, SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7613071
US20050259514
11190742
Correspondence name and address
MADAN, MOSSMAN & SRIRAM, P.C.
2603 AUGUSTA, SUITE 700
HOUSTON, TX 77057-5662
Assignment: 9
Reel/Frame:020025/0004   Pages: 2
Recorded: 10/26/2007
Attorney Dkt #:IO-1036USC2
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
INPUT/OUTPUT, INC.
Exec Dt:
09/21/2007
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD, SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7613071
US20050259514
11190742
Correspondence name and address
MADAN, MOSSMAN & SRIRAM, P.C.
2603 AUGUSTA, SUITE 700
HOUSTON, TX 77057-5662
Assignment: 10
Reel/Frame:020126/0004   Pages: 2
Recorded: 11/15/2007
Attorney Dkt #:IO-1096USC
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
INPUT/OUTPUT, INC.
Exec Dt:
09/21/2007
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD, SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8004933
US20080062815
11940932
Correspondence name and address
MADAN, MOSSMAN & SRIRAM, P.C.
2603 AUGUSTA, SUITE 700
HOUSTON, TX 77057-5662
Assignment: 11
Reel/Frame:021581/0213   Pages: 2
Recorded: 09/24/2008
Attorney Dkt #:IO-1090US
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
INPUT/OUTPUT, INC.
Exec Dt:
09/21/2007
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD
SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040121786
10679858
Correspondence name and address
MADAN, MOSSMAN & SRIRAM, P.C.
2603 AUGUSTA DRIVE
SUITE 700
HOUSTON, TX 77057-5662
Assignment: 12
Reel/Frame:021681/0092   Pages: 2
Recorded: 10/14/2008
Attorney Dkt #:IO-1064US
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
INPUT/OUTPUT, INC.
Exec Dt:
09/21/2007
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD
SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7483335
US20030223822
10308705
Correspondence name and address
MADAN, MOSSMAN & SRIRAM, P.C.
2603 AUGUSTA DRIVE
SUITE 700
HOUSTON, TX 77057-5662
Assignment: 13
Reel/Frame:021936/0641   Pages: 2
Recorded: 12/04/2008
Attorney Dkt #:IO-1052USC2
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
INPUT/OUTPUT, INC.
Exec Dt:
09/21/2007
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD
SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7158445
US20050196985
11037542
Correspondence name and address
CHANDRAN D. KUMAR
2603 AUGUSTA
SUITE 700
HOUSTON, TX 77057
Assignment: 14
Reel/Frame:024553/0165   Pages: 2
Recorded: 06/17/2010
Attorney Dkt #:IO-1105
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
INPUT/OUTPUT, INC.
Exec Dt:
09/21/2007
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD
SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7768872
US20060018191
11066075
Correspondence name and address
CANTOR COLBURN LLP
20 CHURCH STREET
22ND FLOOR
HARTFORD, CT 06103
Assignment: 15
Reel/Frame:024754/0426   Pages: 2
Recorded: 07/28/2010
Attorney Dkt #:IO-1112-USC
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
INPUT/OUTPUT, INC.
Exec Dt:
09/21/2007
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITY WEST BOULEVARD, SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8908472
US20110022306
12841675
Correspondence name and address
MOSSMAN, KUMAR AND TYLER, PC
P.O. BOX 421239
HOUSTON, TX 77242
Assignment: 16
Reel/Frame:030695/0242   Pages: 2
Recorded: 06/26/2013
Attorney Dkt #:P232203.US.01
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
INPUT/OUPUT, INC.
Exec Dt:
09/21/2007
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD
SUITE 400
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8134891
US20110164470
13049713
Correspondence name and address
JOSHUA D. ENGEL / DORSEY & WHITNEY LLP
1400 WEWATTA STREET
SUITE 400
DENVER, CO 80202-5549
Assignment: 17
Reel/Frame:032952/0050   Pages: 8
Recorded: 05/22/2014
Attorney Dkt #:MIT100-10000
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
INPUT/OUTPUT, INC.
Exec Dt:
09/21/2007
Assignee
1
ION GEOPHYSICAL CORPORATION
5000 RIVER ROAD
HARAHAN, LOUISIANA 77042
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
6301193
NONE
09270553
 
6788618
US20030202423
10368325
 
6901028
US20040022125
10368699
 
6873571
US20040032794
10388243
Correspondence name and address
LAVONNE HOPKINS
1001 FANNIN STE 2500
VINSON & ELKINS LLP
HOUSTON, TX 77002
Assignment: 18
Reel/Frame:024424/0191   Pages: 4
Recorded: 05/21/2010
Attorney Dkt #:486267-12
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
INPUT/OUTPUT, INC.
Exec Dt:
09/24/2007
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD
SUITE 400
HOUSTON, TEXAS 77042-2839
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
5128908
NONE
07608834
 
5183966
NONE
07615237
 
5130954
NONE
07733607
 
5313020
NONE
07890942
 
5331606
NONE
07892541
 
5271081
NONE
07900358
 
5369626
NONE
08081401
 
5341348
NONE
08091217
 
5303202
NONE
08115880
 
5387119
NONE
08134075
 
5459285
NONE
08189807
 
5470248
NONE
08226009
 
5401919
NONE
08248626
 
5529518
NONE
08354285
 
5542856
NONE
08389253
 
5595497
NONE
08396960
 
5627798
NONE
08435889
 
5704799
NONE
08486357
 
5605468
NONE
08562017
 
5711685
NONE
08590148
 
5666328
NONE
08733495
 
5733145
NONE
08816859
 
5830011
NONE
08884562
 
6078283
NONE
08961831
 
6002641
NONE
09067206
 
5993272
NONE
09081698
 
6522797
NONE
09144953
 
6041283
NONE
09151260
 
7218890
NONE
09361020
 
6591025
NONE
09524918
 
6529443
US20020126574
09757830
 
6470997
US20020172094
09847458
 
6814179
US20020175020
09865797
 
6570820
US20020191491
09883871
 
6539308
US20030028326
09999115
 
7292943
US20040008175
10360313
 
6961283
US20030198132
10391960
Correspondence name and address
ROBERT M. TUTTLE
370 SEVENTEENTH STREET
REPUBLIC PLAZA BUILDING, SUITE 4700
DENVER, CO 80202
Assignment: 19
Reel/Frame:024424/0197   Pages: 3
Recorded: 05/21/2010
Attorney Dkt #:486267-12
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
INPUT/OUTPUT, INC.
Exec Dt:
09/24/2007
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD
SUITE 400
HOUSTON, TEXAS 77042-2839
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
6997731
NONE
10872676
 
7012853
US20050083784
10967728
 
7274079
US20050277219
11209164
 
7643375
US20070177459
11619137
 
7929380
US20070250269
11691925
 
7628248
US20070240930
11691941
Correspondence name and address
ROBERT M. TUTTLE
370 SEVENTEENTH STREET
REPUBLIC PLAZA BUILDING, SUITE 4700
DENVER, CO 80202
Assignment: 20
Reel/Frame:025772/0941   Pages: 2
Recorded: 02/08/2011
Attorney Dkt #:IO-1115-USC
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
INPUT/OUTPUT, INC.
Exec Dt:
09/24/2007
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITY WEST BOULEVARD, SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8135543
US20110125407
13006196
Correspondence name and address
MOSSMAN, KUMAR AND TYLER, PC
P.O. BOX 421239
HOUSTON, TX 77242
Assignment: 21
Reel/Frame:028699/0973   Pages: 2
Recorded: 08/01/2012
Attorney Dkt #:IN-1096-USD - TO ION GEO
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
INPUT/OUTPUT, INC.
Exec Dt:
09/24/2007
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITY WEST BOULEVARD, SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8335128
US20120082002
13215899
Correspondence name and address
MOSSMAN, KUMAR AND TYLER, PC
P.O. BOX 421239
HOUSTON, TX 77242
Assignment: 22
Reel/Frame:024060/0361   Pages: 3
Recorded: 03/10/2010
Attorney Dkt #:2332.1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OLIVIER, ANDRE W.
Exec Dt:
10/09/2007
2
KAY, ADAM G.
Exec Dt:
10/09/2007
3
IP, MATTHEW W.
Exec Dt:
10/15/2007
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8446797
US20110005801
12677461
Correspondence name and address
LAITRAM, L.L.C. LEGAL DEPARTMENT
200 LAITRAM LANE
HARAHAN, LA 70123
Assignment: 23
Reel/Frame:020015/0318   Pages: 7
Recorded: 10/22/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SITTON, GARY A.
Exec Dt:
10/10/2007
2
BLOOR, ROBERT
Exec Dt:
10/12/2007
3
SMITH, J. MACDONALD
Exec Dt:
10/10/2007
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BLVD.
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7639567
US20090073807
11856386
Correspondence name and address
TODD BYNUM
16815 ROYAL CREST DRIVE, SUITE 130
HOUSTON, TX 77058
Assignment: 24
Reel/Frame:028944/0222   Pages: 8
Recorded: 09/12/2012
Attorney Dkt #:P219926.US.02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SITTON, GARY A.
Exec Dt:
10/10/2007
2
BLOOR, ROBERT
Exec Dt:
10/12/2007
3
SMITH, J. MACDONALD
Exec Dt:
10/10/2007
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BLVD.
HOUSTON, TEXAS 77042
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
8462587
US20100157734
12645811
 
8462585
US20100149915
12645818
 
8462588
US20100149916
12645827
 
8462589
US20100149922
12645835
Correspondence name and address
LEE R. OSMAN / DORSEY & WHITNEY LLP
1400 WEWATTA STREET
SUITE 400
DENVER, CO 80202-5549
Assignment: 25
Reel/Frame:020070/0898   Pages: 4
Recorded: 11/06/2007
Attorney Dkt #:IO-1116US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
EPERJESI, RICHARD
Exec Dt:
10/29/2007
2
ELDER, KEITH
Exec Dt:
10/11/2007
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD, SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080080310
11863062
Correspondence name and address
MADAN, MOSSMAN & SRIRAM, P.C.
2603 AUGUSTA, SUITE 700
HOUSTON, TX 77057-5662
Assignment: 26
Reel/Frame:020071/0190   Pages: 4
Recorded: 11/06/2007
Attorney Dkt #:IO-1116US2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
EPERJESI, RICHARD
Exec Dt:
10/29/2007
2
ELDER, KEITH
Exec Dt:
10/11/2007
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD, SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7729202
US20080080307
11863081
Correspondence name and address
MADAN, MOSSMAN & SRIRAM, P.C.
2603 AUGUSTA, SUITE 700
HOUSTON, TX 77057-5662
Assignment: 27
Reel/Frame:020071/0401   Pages: 4
Recorded: 11/06/2007
Attorney Dkt #:IO-1116US3
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
EPERJESI, RICHARD
Exec Dt:
10/29/2007
2
ELDER, KEITH
Exec Dt:
10/11/2007
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD, SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8605546
US20080080311
11863103
Correspondence name and address
MADAN, MOSSMAN & SRIRAM, P.C.
2603 AUGUSTA, SUITE 700
HOUSTON, TX 77057-5662
Assignment: 28
Reel/Frame:020071/0656   Pages: 4
Recorded: 11/06/2007
Attorney Dkt #:IO-1116US4
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
EPERJESI, RICHARD
Exec Dt:
10/29/2007
2
ELDER, KEITH
Exec Dt:
10/11/2007
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD, SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7894301
US20080080312
11863121
Correspondence name and address
MADAN, MOSSMAN & SRIRAM, P.C.
2603 AUGUSTA, SUITE 700
HOUSTON, TX 77057-5662
Assignment: 29
Reel/Frame:020236/0780   Pages: 6
Recorded: 12/12/2007
Attorney Dkt #:IO-1122US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PAVEL, DENNIS R.
Exec Dt:
11/13/2007
2
HOENMANS, SCOTT T.
Exec Dt:
12/10/2007
3
BULL, ANDREW
Exec Dt:
11/09/2007
4
GREEN, CHRIS
Exec Dt:
11/09/2007
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD, SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7734838
US20080082701
11864434
Correspondence name and address
MADAN, MOSSMAN & SRIRAM, P.C.
2603 AUGUSTA DRIVE, SUITE 700
HOUSTON, TX 77057-5662
Assignment: 30
Reel/Frame:024643/0577   Pages: 6
Recorded: 07/07/2010
Attorney Dkt #:IO-1122-USC
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PAVEL, DENNIS R.
Exec Dt:
11/13/2007
2
HOENMANS, SCOTT T.
Exec Dt:
12/10/2007
3
BULL, ANDREW
Exec Dt:
11/09/2007
4
GREEN, CHRIS
Exec Dt:
11/09/2007
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITY WEST BOULEVARD, SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8095697
US20100332688
12795193
Correspondence name and address
MOSSMAN, KUMAR AND TYLER, PC
P.O. BOX 421239
HOUSTON, TX 77242
Assignment: 31
Reel/Frame:020438/0405   Pages: 10
Recorded: 01/30/2008
Attorney Dkt #:IO-1119US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PAVEL, DENNIS R.
Exec Dt:
01/21/2008
2
HOENMANS, SCOTT T.
Exec Dt:
01/22/2008
3
EPERJESI, RICHARD
Exec Dt:
01/21/2008
4
STREHO, ANDRA
Exec Dt:
01/14/2008
5
GARCIA, GERARDO
Exec Dt:
01/09/2008
6
PEDERSEN, RICHARD
Exec Dt:
01/29/2008
7
GRINBLAT, DMITRY
Exec Dt:
01/09/2008
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD, SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7725264
US20080114548
11864195
Correspondence name and address
CHANDRAN D. KUMAR
MADAN, MOSSMAN & SRIRAM, P.C.
2603 AUGUSTA DRIVE, SUITE 700
HOUSTON, TX 77057-5662
Assignment: 32
Reel/Frame:024638/0081   Pages: 10
Recorded: 07/06/2010
Attorney Dkt #:IO-1119-USC
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PAVEL, DENNIS R.
Exec Dt:
01/21/2008
2
HOENMANS, SCOTT T.
Exec Dt:
01/22/2008
3
EPERJESI, RICHARD
Exec Dt:
01/21/2008
4
STREHO, ANDRA
Exec Dt:
01/14/2008
5
GARCIA, GERARDO
Exec Dt:
01/09/2008
6
PEDERSEN, RICHARD
Exec Dt:
01/29/2008
7
GRINBLAT, DMITRY
Exec Dt:
01/09/2008
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITY WEST BOULEVARD, SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8407008
US20110022644
12787178
Correspondence name and address
MOSSMAN, KUMAR AND TYLER, PC
P.O. BOX 421239
HOUSTON, TX 77242
Assignment: 33
Reel/Frame:021058/0213   Pages: 3
Recorded: 06/06/2008
Attorney Dkt #:2310.0
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OLIVIER, ANDRE W.
Exec Dt:
01/24/2008
2
CHRISTENSEN, CHRISTIAN J.
Exec Dt:
01/24/2008
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7469653
US20080181717
11669650
Correspondence name and address
JAMES T. CRONVICH
200 LAITRAM LANE
LEGAL DEPARTMENT.
HARAHAN, LA 70123
Assignment: 34
Reel/Frame:024774/0284   Pages: 3
Recorded: 08/02/2010
Attorney Dkt #:2264.0
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
OLIVIER, ANDRE W.
Exec Dt:
01/28/2008
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7793606
US20090211509
11674539
Correspondence name and address
LAITRAM, L.L.C. LEGAL DEPARTMENT
200 LAITRAM LANE
HARAHAN, LA 70123
Assignment: 35
Reel/Frame:021058/0251   Pages: 3
Recorded: 06/06/2008
Attorney Dkt #:2310.0
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
LACOUR, LLOYD JOSEPH, JR.
Exec Dt:
02/04/2008
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7469653
US20080181717
11669650
Correspondence name and address
LAITRAM, L.L.C. LEGAL DEPARTMENT
200 LAITRAM LANE
HARAHAN, LA 70123
Assignment: 36
Reel/Frame:024774/0324   Pages: 3
Recorded: 08/02/2010
Attorney Dkt #:2264.0
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
LACOUR, LLOYD JOSEPH, JR.
Exec Dt:
02/04/2008
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7793606
US20090211509
11674539
Correspondence name and address
LAITRAM, L.L.C. LEGAL DEPARTMENT
200 LAITRAM LANE
HARAHAN, LA 70123
Assignment: 37
Reel/Frame:020562/0316   Pages: 7
Recorded: 02/26/2008
Attorney Dkt #:IO-1127US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ELDER, KEITH
Exec Dt:
02/14/2008
2
KOOPER, STEVEN
Exec Dt:
02/05/2008
3
FESZTHAMMER, ANDRAS
Exec Dt:
02/06/2008
4
CLAYTON, DONALD E.
Exec Dt:
02/06/2008
5
POLK, HENRY T.
Exec Dt:
02/25/2008
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD, SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7813222
US20080186806
12023556
Correspondence name and address
PAUL S. MADAN
MADAN MOSSMAN & SRIRAM PC
2603 AUGUSTA DRIVE, SUITE 700
HOUSTON, TX 77057-5662
Assignment: 38
Reel/Frame:020562/0368   Pages: 7
Recorded: 02/26/2008
Attorney Dkt #:IO-1128US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ELDER, KEITH
Exec Dt:
02/14/2008
2
KOOPER, STEVEN
Exec Dt:
02/05/2008
3
FESZTHAMMER, ANDRAS
Exec Dt:
02/06/2008
4
CLAYTON, DONALD E.
Exec Dt:
02/06/2008
5
POLK, HENRY T.
Exec Dt:
02/25/2008
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD, SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8077740
US20080187006
12023725
Correspondence name and address
PAUL S. MADAN
MADAN, MOSSMAN & SRIRAM, P.C.
HOUSTON, TX 77057-5662
Assignment: 39
Reel/Frame:032787/0813   Pages: 7
Recorded: 04/30/2014
Attorney Dkt #:IN-1128-USC
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ELDER, KEITH
Exec Dt:
02/14/2008
2
KOOPER, STEVEN
Exec Dt:
02/05/2008
3
FESZTHAMMER, ANDRAS
Exec Dt:
02/06/2008
4
CLAYTON, DONALD E.
Exec Dt:
02/06/2008
5
POLK, HENRY T.
Exec Dt:
02/25/2008
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITY WEST BOULEVARD, SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8982810
US20120082003
13324562
Correspondence name and address
MOSSMAN, KUMAR AND TYLER, PC
P.O. BOX 421239
HOUSTON, TX 77242
Assignment: 40
Reel/Frame:021116/0534   Pages: 4
Recorded: 06/18/2008
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BLOOR, ROBERT I.
Exec Dt:
03/14/2008
2
CUNNINGHAM, DAVID A.
Exec Dt:
03/14/2008
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITY WEST
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080232195
12050731
Correspondence name and address
TODD BYNUM
SUITE 130
16815 ROYAL CREST DRIVE
HOUSTON, TX 77058
Assignment: 41
Reel/Frame:021364/0598   Pages: 5
Recorded: 06/18/2008
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BLOOR, ROBERT I.
Exec Dt:
03/14/2008
2
CUNNINGHAM, DAVID A.
Exec Dt:
03/14/2008
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITY WEST
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080232195
12050731
Correspondence name and address
TODD BYNUM
SUITE 130
16815 ROYAL CREST DRIVE
HOUSTON, TEXAS 77058
Assignment: 42
Reel/Frame:020737/0221   Pages: 3
Recorded: 04/01/2008
Attorney Dkt #:2344.0
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MAGNER, MICHAEL P.
Exec Dt:
04/01/2008
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITY WEST BOULEVARD
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8020480
US20090245941
12060588
Correspondence name and address
LAITRAM, L.L.C. LEGAL DEPARTMENT
220 LAITRAM LANE
HARAHAN, LA 70123
Assignment: 43
Reel/Frame:020759/0628   Pages: 3
Recorded: 04/04/2008
Attorney Dkt #:2334.0
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ROUQUETTE, ROBERT E.
Exec Dt:
04/04/2008
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITY WEST BOULEVARD
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7881160
US20090251994
12098147
Correspondence name and address
LAITRAM, L.L.C. LEGAL DEPARTMENT
220 LAITRAM LANE
HARAHAN, LA 70123
Assignment: 44
Reel/Frame:021119/0206   Pages: 3
Recorded: 06/19/2008
Attorney Dkt #:IO-1131US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
PAVEL, DENNIS R.
Exec Dt:
05/13/2008
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD
SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20090279384
12116836
Correspondence name and address
MADAN, MOSSMAN & SRIRAM, PC
2603 AUGUSTA DRIVE
SUITE 700
HOUSTON, TX 77057-5662
Assignment: 45
Reel/Frame:021420/0278   Pages: 12
Recorded: 08/20/2008
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
INGRAM, SAMUEL K.
Exec Dt:
05/16/2008
2
BISHOP, ALLEN J.
Exec Dt:
05/13/2008
3
OLDERVOLL, MAGNE
Exec Dt:
05/13/2008
4
LOVHEIM, LEON
Exec Dt:
05/14/2008
5
GRAY, STEPHEN TOM D.
Exec Dt:
05/14/2008
Assignees
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BLVD.
HOUSTON, TEXAS 77042-2839
2
OCTIO GEOPHYSICAL AS
FANTOFTVEIEN 38
P.O. BOX 6121
BERGEN, NORWAY N-5892
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8830790
US20080285379
12122233
Correspondence name and address
TODD A. BYNUM
SUITE 130
16815 ROYAL CREST DRIVE
HOUSTON, TEXAS 77058
Assignment: 46
Reel/Frame:022153/0614   Pages: 6
Recorded: 01/26/2009
Attorney Dkt #:983-0007US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SITTON, GARY A.
Exec Dt:
08/29/2008
2
STIEGLITZ, THEODORE C.
Exec Dt:
01/21/2009
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BLVD.
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7864628
US20100008186
12170309
Correspondence name and address
KEITH E. LUTSCH
WONG CABELLO LUTSCH RUTHERFORD & BRUCCUL
20333 TOMBALL PKWY, SUITE 600
HOUSTON, TX 77070
Assignment: 47
Reel/Frame:025426/0688   Pages: 4
Recorded: 11/29/2010
Attorney Dkt #:983-0007USC
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SITTON, GARY A.
Exec Dt:
08/29/2008
2
STIEGLITZ, THEODORE C.
Exec Dt:
01/21/2009
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BLVD.
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9188688
US20110085414
12955179
Correspondence name and address
WONG, CABELLO, LUTSCH, RUTHERFORD & BRUC
20333 SH 249 6TH FLOOR
HOUSTON, TX 77070
Assignment: 48
Reel/Frame:023629/0484   Pages: 3
Recorded: 12/09/2009
Attorney Dkt #:2360.0
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SEALE, DANIEL B.
Exec Dt:
11/10/2008
2
CESPEDES M., DAVID A.
Exec Dt:
11/10/2008
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8223585
US20100118644
12613617
Correspondence name and address
LAITRAM, L.L.C. LEGAL DEPARTMENT
200 LAITRAM LANE
HARAHAN, LA 70123
Assignment: 49
Reel/Frame:030150/0467   Pages: 3
Recorded: 04/04/2013
Attorney Dkt #:2360.1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SEALE, DANIEL B.
Exec Dt:
11/10/2008
2
CESPEDES M., DAVID A.
Exec Dt:
11/10/2008
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BLVD., SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8520468
US20120281498
13550001
Correspondence name and address
DONNA WALKER
200 LAITRAM LANE
LEGAL DEPT.
HARAHAN, LA 70123
Assignment: 50
Reel/Frame:022471/0748   Pages: 3
Recorded: 03/23/2009
Attorney Dkt #:2373.0
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
OLIVIER, ANDRE W.
Exec Dt:
03/23/2009
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8348543
US20100239367
12409301
Correspondence name and address
JAMES T. CRONVICH
200 LAITRAM LANE
HARAHAN, LA 70123
Assignment: 51
Reel/Frame:023138/0528   Pages: 5
Recorded: 08/24/2009
Attorney Dkt #:983-0011US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VASCONCELOS, IVAN
Exec Dt:
08/06/2009
2
BLOOR, ROBERT I
Exec Dt:
08/24/2009
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD
SUITE 400
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20090302849
12475239
Correspondence name and address
WONG, CABELLO, LUTSCH, RUTHERFORD & BRUC
20333 SH 249 6TH FLOOR
HOUSTON, TX 77070
Assignment: 52
Reel/Frame:023629/0543   Pages: 3
Recorded: 12/09/2009
Attorney Dkt #:2360.0
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
GRANT, JOHN EDWARD
Exec Dt:
12/03/2009
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8223585
US20100118644
12613617
Correspondence name and address
LAITRAM, L.L.C. LEGAL DEPARTMENT
200 LAITRAM LANE
HARAHAN, LA 70123
Assignment: 53
Reel/Frame:030150/0531   Pages: 3
Recorded: 04/04/2013
Attorney Dkt #:2360.1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
GRANT, JOHN EDWARD
Exec Dt:
12/03/2009
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BLVD., SUITE 400
HOUSTON, TEXAS 77042-2829
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8520468
US20120281498
13550001
Correspondence name and address
DONNA WALKER
200 LAITRAM LANE
LEGAL DEPT.
HARAHAN, LA 70123
Assignment: 54
Reel/Frame:033686/0297   Pages: 3
Recorded: 09/08/2014
Attorney Dkt #:2402.1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
LAMBERT, DALE J.
Exec Dt:
01/19/2010
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BLVD., SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8923091
US20110176385
13009287
Correspondence name and address
DONNA WALKER
200 LAITRAM LANE
LEGAL DEPT.
HARAHAN, LA 70123
Assignment: 55
Reel/Frame:024302/0936   Pages: 5
Recorded: 04/28/2010
Attorney Dkt #:P191447.US.01; 486267-6
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SITTON, GARY ARTHUR
Exec Dt:
02/02/2010
2
DECKER, MARVIN GLEN MICHAEL
Exec Dt:
02/02/2010
3
BLOOR, ROBERT IAN
Exec Dt:
02/05/2010
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD
SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8553496
US20110194378
12703088
Correspondence name and address
ROBERT M. TUTTLE
DORSEY & WHITNEY LLP
370 17TH STREET, SUITE 4700
DENVER, CO 80202
Assignment: 56
Reel/Frame:024047/0150   Pages: 10
Recorded: 03/08/2010
Attorney Dkt #:983-0013US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GAGLIARDI, JOSEPH R.
Exec Dt:
03/06/2010
2
RICE, SHAWN
Exec Dt:
03/08/2010
3
SCHNEIDER, CURT
Exec Dt:
03/08/2010
4
CUNKELMAN, JEFFREY W.
Exec Dt:
03/08/2010
5
DUDLEY, TIMOTHY A.
Exec Dt:
03/08/2010
6
LAMBERT, DALE
Exec Dt:
03/05/2010
7
BURNHAM, MIKE
Exec Dt:
03/08/2010
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BLVD., STE 400
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8593905
US20100226204
12719783
Correspondence name and address
WONG, CABELLO, LUTSCH, RUTHERFORD & BRUC
20333 SH 249 6TH FLOOR
HOUSTON, TX 77070
Assignment: 57
Reel/Frame:041230/0023   Pages: 10
Recorded: 02/10/2017
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GAGLIARDI, JOSEPH
Exec Dt:
03/06/2010
2
RICE, SHAWN
Exec Dt:
03/08/2010
3
SCHNEIDER, CURT
Exec Dt:
03/08/2010
4
CUNKELMAN, JEFFREY W.
Exec Dt:
03/08/2010
5
DUDLEY, TIM
Exec Dt:
03/08/2010
6
LAMBERT, DALE
Exec Dt:
03/05/2010
7
BURNHAM, MIKE
Exec Dt:
03/08/2010
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BLVD, STE 400
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9604701
US20140102347
14054116
Correspondence name and address
BLANK ROME LLP
717 TEXAS AVENUE, SUITE 1400
HOUSTON, TX 77002
Assignment: 58
Reel/Frame:044330/0762   Pages: 10
Recorded: 12/07/2017
Attorney Dkt #:983-0013US3
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GAGLIARDI, JOSEPH
Exec Dt:
03/06/2010
2
RICE, SHAWN
Exec Dt:
03/08/2010
3
SCHNEIDER, CURT
Exec Dt:
03/08/2010
4
CUNKELMAN, JEFFREY W
Exec Dt:
03/08/2010
5
DUDLEY, TIMOTHY A
Exec Dt:
03/08/2010
6
LAMBERT, DALE
Exec Dt:
03/05/2010
7
BURNHAM, MIKE
Exec Dt:
03/08/2010
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BLVD, STE 400
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10286981
US20140104985
14054098
Correspondence name and address
BLANK ROME LLP
717 TEXAS AVENUE, SUITE 1400
HOUSTON, TX 77002
Assignment: 59
Reel/Frame:050376/0965   Pages: 10
Recorded: 09/15/2019
Attorney Dkt #:983-0013US5
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GAGLIARDI, JOSEPH
Exec Dt:
03/06/2010
2
RICE, SHAWN
Exec Dt:
03/08/2010
3
SCHNEIDER, CURT
Exec Dt:
03/08/2010
4
CUNKELMAN, JEFFREY W
Exec Dt:
03/08/2010
5
DUDLEY, TIMOTHY A
Exec Dt:
03/08/2010
6
LAMBERT, DALE
Exec Dt:
03/05/2010
7
BURNHAM, MIKE
Exec Dt:
03/08/2010
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BLVD, STE 400
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20190389540
16360656
Correspondence name and address
BLANK ROME LLP - HOUSTON GENERAL
717 TEXAS AVENUE, SUITE 1400
HOUSTON, TX 77002
Assignment: 60
Reel/Frame:024316/0186   Pages: 3
Recorded: 04/30/2010
Attorney Dkt #:983-0012US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
WEI, ZHOUHONG
Exec Dt:
04/27/2010
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BLVD., STE 400
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8061471
US20100276224
12771033
Correspondence name and address
WONG, CABELLO, LUTSCH, RUTHERFORD & BRUC
20333 SH 249 6TH FLOOR
HOUSTON, TX 77070
Assignment: 61
Reel/Frame:024410/0800   Pages: 3
Recorded: 05/19/2010
Attorney Dkt #:2418.0
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SEALE, DANIEL B.
Exec Dt:
05/19/2010
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD
SUITE 400
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8374053
US20110286301
12783374
Correspondence name and address
LAITRAM, L.L.C. LEGAL DEPARTMENT
200 LAITRAM LANE
HARAHAN, LA 70123
Assignment: 62
Reel/Frame:024615/0088   Pages: 3
Recorded: 06/30/2010
Attorney Dkt #:P201485.US.02 486267-10
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
VASCONCELOS, IVAN
Exec Dt:
06/28/2010
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD, SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8737166
US20110122726
12826837
Correspondence name and address
ROBERT M. TUTTLE / DORSEY & WHITNEY, LLP
370 SEVENTEENTH STREET
REPUBLIC PLAZA BUILDING, SUITE 4700
DENVER, CO 80202-5647
Assignment: 63
Reel/Frame:025512/0668   Pages: 2
Recorded: 12/16/2010
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SIGMAR, AXEL MICHAEL
Exec Dt:
12/15/2010
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BLVD., STE. 400
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7152473
NONE
09936634
Correspondence name and address
JAMES N. WILLI
9600 ESCARPMENT BLVD., STE. 745, PMB 34
AUSTIN, TX 78749-1983
Assignment: 64
Reel/Frame:031257/0078   Pages: 4
Recorded: 09/23/2013
Attorney Dkt #:P219515.WO-US.01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
GREGOR, JOHN
Exec Dt:
03/23/2011
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD
SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10379240
US20140012508
14006627
Correspondence name and address
DANIELLE M. CASTEEL
1400 WEWATTA STREET
SUITE 400
DENVER, CO 80202-5549
Assignment: 65
Reel/Frame:031257/0593   Pages: 4
Recorded: 09/23/2013
Attorney Dkt #:P221937.WO-US.01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
GREGOR, JOHN
Exec Dt:
03/23/2011
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD
SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9703809
US20140019465
14006646
Correspondence name and address
DANIELLE M. CASTEEL
1400 WEWATTA STREET
SUITE 400
DENVER, CO 80202-5549
Assignment: 66
Reel/Frame:026124/0232   Pages: 3
Recorded: 04/14/2011
Attorney Dkt #:2418.0
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
LAMBERT, DALE J., MR.
Exec Dt:
04/13/2011
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD
SUITE 400
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8374053
US20110286301
12783374
Correspondence name and address
DONNA G. WALKER
200 LAITRAM LANE
LEGAL DEPARTMENT
HARAHAN, LA 70123
Assignment: 67
Reel/Frame:026958/0753   Pages: 3
Recorded: 09/23/2011
Attorney Dkt #:2427.1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ROUQUETTE, ROBERT E., MR.
Exec Dt:
08/10/2011
2
OLIVIER, ANDRE' W., MR.
Exec Dt:
08/10/2011
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD, SUITE 400
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8982662
US20120057430
13222563
Correspondence name and address
DONNA WALKER
200 LAITRAM LANE
LEGAL DEPT.
HARAHAN, LA 70123
Assignment: 68
Reel/Frame:031872/0426   Pages: 4
Recorded: 01/06/2014
Attorney Dkt #:2412.1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LAMBERT, DALE J.
Exec Dt:
08/10/2011
2
OLIVIER, ANDRE' W.
Exec Dt:
08/10/2011
3
ROUQUETTE, ROBERT E.
Exec Dt:
08/10/2011
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BLVD., SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8730766
US20110182140
13011358
Correspondence name and address
DONNA WALKER
200 LAITRAM LANE
LEGAL DEPT.
HARAHAN, LA 70123
Assignment: 69
Reel/Frame:032971/0702   Pages: 3
Recorded: 05/28/2014
Attorney Dkt #:2412.2C
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LAMBERT, DALE J.
Exec Dt:
08/10/2011
2
OLIVIER, ANDRE' W.
Exec Dt:
08/10/2011
3
ROUQUETTE, ROBERT E.
Exec Dt:
08/10/2011
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BLVD., SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9784860
US20140328138
14275497
Correspondence name and address
DONNA WALKER
200 LAITRAM LANE
LEGAL DEPT.
HARAHAN, LA 70123
Assignment: 70
Reel/Frame:026958/0647   Pages: 3
Recorded: 09/23/2011
Attorney Dkt #:2427.1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
LAMBERT, DALE J., MR.
Exec Dt:
09/06/2011
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD, SUITE 400
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8982662
US20120057430
13222563
Correspondence name and address
DONNA WALKER
200 LAITRAM LANE
LEGAL DEPT.
HARAHAN, LA 70123
Assignment: 71
Reel/Frame:027183/0762   Pages: 9
Recorded: 11/07/2011
Attorney Dkt #:983-0013US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ROBERTS, PHILLIP
Exec Dt:
11/03/2011
2
FISCHER, ROBERT
Exec Dt:
11/03/2011
3
ZINN, NOEL
Exec Dt:
11/03/2011
4
SCHNEIDER, CURT
Exec Dt:
11/01/2011
5
GAGLIARDI, JOSEPH R.
Exec Dt:
11/03/2011
6
RICE, SHAWN
Exec Dt:
11/01/2011
7
DUDLEY, TIMOTHY A.
Exec Dt:
11/01/2011
8
GRANT, JOHN
Exec Dt:
11/04/2011
9
SIMPSON, KEVIN
Exec Dt:
11/02/2011
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD, SUITE 400
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9354343
US20120134234
13113216
Correspondence name and address
WONG, CABELLO, LUTSCH, RUTHERFORD & BRUC
20333 SH 249 6TH FLOOR
HOUSTON, TX 77070
Assignment: 72
Reel/Frame:027646/0400   Pages: 5
Recorded: 02/02/2012
Attorney Dkt #:2455.0
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE RECEIVING PARTY ON THE ASSIGNMENT COVERSHEET FROM LAITRAM, LLC TO ION GEOPHYSICAL CORPORATION. PREVIOUSLY RECORDED ON REEL 027633 FRAME 0805. ASSIGNOR(S) HEREBY CONFIRMS THE THE ASSIGNEE SHOULD BE ION GEOPHYSICAL CORPORATION AS IN PARAGRAPH 2 OF THE ORIGINAL ASSIGNMENT DOCUMENT..
Assignor
1
OLIVIER, ANDRE' W., MR.
Exec Dt:
01/17/2012
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BLVD.
SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9081120
US20130183100
13351920
Correspondence name and address
JAMES T. CRONVICH
200 LAITRAM LANE
HARAHAN, LA 70123
Assignment: 73
Reel/Frame:027667/0754   Pages: 4
Recorded: 02/07/2012
Attorney Dkt #:P231449WO01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
DENG, KEN KAN
Exec Dt:
02/07/2012
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD
SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9294011
US20130312522
13984255
Correspondence name and address
JOSHUA D. ENGEL/DORSEY & WHITNEY LLP
1400 WEWATTA STREET
SUITE 400
DENVER, CO 80202
Assignment: 74
Reel/Frame:027667/0771   Pages: 4
Recorded: 02/07/2012
Attorney Dkt #:P231450.WO.01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
DENG, KEN KAN
Exec Dt:
02/07/2012
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD
SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9502993
US20130319118
13984266
Correspondence name and address
JOSHUA D. ENGEL/DORSEY & WHITNEY LLP
1400 WEWATTA STREET
SUITE 400
DENVER, CO 80202
Assignment: 75
Reel/Frame:033195/0335   Pages: 4
Recorded: 06/27/2014
Attorney Dkt #:P231450.WO-US.01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
DENG, KEN KAN
Exec Dt:
02/07/2012
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9502993
US20130319118
13984266
Correspondence name and address
NATHANIEL P. LONGLEY/DORSEY & WHITNEY
50 SOUTH SIXTH STREET SUITE 1500
MINNEAPOLIS, MN 55402
Assignment: 76
Reel/Frame:033208/0860   Pages: 4
Recorded: 06/30/2014
Attorney Dkt #:P231449.WO-US.01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
DENG, KEN KAN
Exec Dt:
02/07/2012
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9294011
US20130312522
13984255
Correspondence name and address
LEE R. OSMAN/DORSEY & WHITNEY LLP
1400 WEWATTA ST. SUITE 400
DENVER, CO 80202
Assignment: 77
Reel/Frame:032105/0423   Pages: 6
Recorded: 01/31/2014
Attorney Dkt #:P230600.US.02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
DOUMA, HUUB
Exec Dt:
02/24/2012
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BLVD, SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130201792
13757547
Correspondence name and address
JOSHUA D. ENGEL
1400 WEWATTA STREET, SUITE 400
DENVER, CO 80202
Assignment: 78
Reel/Frame:028250/0138   Pages: 5
Recorded: 05/22/2012
Attorney Dkt #:983-0022US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GAGLIARDI, JOSEPH R.
Exec Dt:
05/22/2012
2
FLYNN, DES
Exec Dt:
05/21/2012
3
GRANT, JOHN
Exec Dt:
05/21/2012
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD, SUITE 400
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8612129
US20120316769
13477733
Correspondence name and address
WONG, CABELLO, LUTSCH, RUTHERFORD & BRUC
20333 SH 249 6TH FLOOR
HOUSTON, TX 77070
Assignment: 79
Reel/Frame:041064/0313   Pages: 5
Recorded: 01/24/2017
Attorney Dkt #:983-0022USC
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GAGLIARDI, JOSEPH R.
Exec Dt:
05/22/2012
2
FLYNN, DES
Exec Dt:
05/21/2012
3
GRANT, JOHN
Exec Dt:
05/21/2012
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BLVD, STE 400
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10032381
US20140067249
14077467
Correspondence name and address
BLANK ROME LLP
717 TEXAS AVENUE, SUITE 1400
HOUSTON, TX 77002
Assignment: 80
Reel/Frame:032110/0154   Pages: 6
Recorded: 01/31/2014
Attorney Dkt #:P223310.WO-US.01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOFLAND, GREGG S.
Exec Dt:
05/31/2012
2
DOUMA, HUUB
Exec Dt:
06/21/2012
3
LEVEILLE, JACQUES
Exec Dt:
06/21/2012
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD
SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10310119
US20140112099
14128884
Correspondence name and address
DORSEY & WHITNEY LLP
1400 WEWATTA STREET
SUITE 400
DENVER, CO 80202-5549
Assignment: 81
Reel/Frame:028743/0106   Pages: 11
Recorded: 08/07/2012
Attorney Dkt #:P222660.US.02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRANT, JOHN EDWARD
Exec Dt:
07/12/2012
2
DARLING, STUART MAXWELL
Exec Dt:
07/16/2012
3
CHERIYAN, THOMAS
Exec Dt:
07/11/2012
4
FLYNN, DESMOND JOHN
Exec Dt:
07/12/2012
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITY WEST BOULEVARD
SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9121956
US20120300583
13479173
Correspondence name and address
LEE R. OSMAN / DORSEY & WHITNEY LLP
1400 WEWATTA STREET
SUITE 400
DENVER, CO 80202-5549
Assignment: 82
Reel/Frame:036091/0284   Pages: 3
Recorded: 07/15/2015
Attorney Dkt #:2456.1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
OLIVIER, ANDRE' W.
Exec Dt:
12/07/2012
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BLVD., SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9261617
US20130148473
13707847
Correspondence name and address
DONNA WALKER
200 LAITRAM LANE
LAITRAM, L.L.C. - LEGAL DEPT.
HARAHAN, LA 70123
Assignment: 83
Reel/Frame:032440/0074   Pages: 4
Recorded: 03/14/2014
Attorney Dkt #:P235687.US.01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
BLOOR, ROBERT IAN
Exec Dt:
02/22/2013
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9405028
US20140241124
13774729
Correspondence name and address
JOSHUA D. ENGEL/DORSEY & WHITNEY LLP
1400 WEWATTA STREET, SUITE 400
DENVER, CO 80202
Assignment: 84
Reel/Frame:029963/0986   Pages: 8
Recorded: 03/11/2013
Attorney Dkt #:983-0013US2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GAGLIARDI, JOSEPH R.
Exec Dt:
03/10/2013
2
RICE, SHAWN
Exec Dt:
02/21/2013
3
DUDLEY, TIMOTHY A.
Exec Dt:
03/10/2013
4
SCHNEIDER, CURT
Exec Dt:
02/21/2013
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD, SUITE 400
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9535182
US20130182531
13793544
Correspondence name and address
WONG, CABELLO, LUTSCH, RUTHERFORD & BRUC
20333 SH 249 6TH FLOOR
HOUSTON, TX 77070
Assignment: 85
Reel/Frame:032446/0395   Pages: 4
Recorded: 03/14/2014
Attorney Dkt #:P238248.US.01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ROUQUETTE, ROBERT E.
Exec Dt:
03/14/2013
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOOULEVARD SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9841519
US20160018545
14774878
Correspondence name and address
JOSHUA D. ENGEL/DORSEY & WHITNEY LLP
1400 WEWATTA ST. SUITE 400
DENVER, CO 80202
Assignment: 86
Reel/Frame:044862/0274   Pages: 4
Recorded: 02/08/2018
Attorney Dkt #:P238248.WO-US.02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ROUQUETTE, ROBERT E.
Exec Dt:
03/14/2013
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD, SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10310121
US20180059278
15806306
Correspondence name and address
DORSEY & WHITNEY LLP
50 SOUTH SIXTH STREET, SUITE 1500
INTELLECTUAL PROPERTY PRACTICE GROUP
MINNEAPOLIS, MN 55402-1498
Assignment: 87
Reel/Frame:032403/0782   Pages: 8
Recorded: 03/11/2014
Attorney Dkt #:P238254.US.01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RIGSBY, TIMOTHY B.
Exec Dt:
03/20/2013
2
BIRCHER, FELIX E.
Exec Dt:
03/07/2014
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9121969
US20140254315
14203873
Correspondence name and address
JOSHUA D. ENGEL
1400 WEWATTA ST. SUITE 400
DENVER, CO 80202
Assignment: 88
Reel/Frame:032404/0216   Pages: 4
Recorded: 03/11/2014
Attorney Dkt #:P238253.US.01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LAMBERT, DALE J.
Exec Dt:
03/20/2013
2
BIRCHER, FELIX E.
Exec Dt:
03/20/2013
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160025883
14774369
Correspondence name and address
JOSHUA D. ENGEL
1400 WEWATTA ST. SUITE 400
DENVER, CO 80202
Assignment: 89
Reel/Frame:040031/0111   Pages: 8
Recorded: 10/17/2016
Attorney Dkt #:P238254.US.03
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RIGSBY, TIMOTHY B.
Exec Dt:
03/20/2013
2
BIRCHER, FELIX E.
Exec Dt:
03/07/2014
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD, SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9507043
US20150323693
14803306
Correspondence name and address
DORSEY & WHITNEY LLP
50 SOUTH SIXTH STREET, SUITE 1500
INTELLECTUAL PROPERTY PRACTICE GROUP
MINNEAPOLIS, MN 55402-1498
Assignment: 90
Reel/Frame:047454/0288   Pages: 8
Recorded: 11/08/2018
Attorney Dkt #:P238254.US.04
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RIGSBY, TIMOTHY B.
Exec Dt:
03/20/2013
2
BIRCHER, FELIX E.
Exec Dt:
03/07/2014
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD, SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
RE48594
NONE
16184047
Correspondence name and address
DORSEY & WHITNEY LLP
50 SOUTH SIXTH STREET, SUITE 1500
INTELLECTUAL PROPERTY PRACTICE GROUP
MINNEAPOLIS, MN 55402-1498
Assignment: 91
Reel/Frame:032433/0135   Pages: 4
Recorded: 03/13/2014
Attorney Dkt #:P238246.US.01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OLIVIER, ANDRE W.
Exec Dt:
03/21/2013
2
SEDLACEK, KYLE J.
Exec Dt:
03/21/2013
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160033660
14774544
Correspondence name and address
JOSHUA D. ENGEL/DORSEY & WHITNEY LLP
1400 WEWATTA STREET, SUITE 400
DENVER, CO 80202
Assignment: 92
Reel/Frame:032414/0020   Pages: 4
Recorded: 03/12/2014
Attorney Dkt #:P238250.US.01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAHN, DANIEL S.
Exec Dt:
03/26/2013
2
GLINSKY, MICHAEL E.
Exec Dt:
03/27/2013
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD, SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20140278120
14205716
Correspondence name and address
JOSHUA D. ENGEL/DORSEY & WHITNEY LLP
1400 WEWATTA ST. SUITE 400
DENVER, CO 80202
Assignment: 93
Reel/Frame:030357/0855   Pages: 11
Recorded: 05/06/2013
Attorney Dkt #:983-0023US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOFLAND, GREGG S.
Exec Dt:
05/01/2013
2
LEVEILLE, JACQUES P.
Exec Dt:
05/02/2013
3
KAHN, DANIEL S.
Exec Dt:
04/23/2013
4
FABER, KEES
Exec Dt:
05/01/2013
5
LAROO, RICK
Exec Dt:
05/01/2013
6
LAWSON, JERRY L.
Exec Dt:
05/02/2013
7
BALLA, WILLIAM A.
Exec Dt:
05/01/2013
8
SAUR, MICHAEL J.
Exec Dt:
05/02/2013
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD
SUITE 400
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9448313
US20130215716
13759990
Correspondence name and address
WONG, CABELLO, LUTSCH, RUTHERFORD & BRUC
20333 SH 249 6TH FLOOR
HOUSTON, TX 77070
Assignment: 94
Reel/Frame:030357/0964   Pages: 11
Recorded: 05/06/2013
Attorney Dkt #:983-0023US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOFLAND, GREGG S.
Exec Dt:
05/01/2013
2
LEVEILLE, JACQUES P.
Exec Dt:
04/22/2013
3
KAHN, DANIEL S.
Exec Dt:
04/23/2013
4
FABER, KEES
Exec Dt:
04/23/2013
5
LAROO, RICK
Exec Dt:
04/23/2013
6
LAWSON, JERRY L.
Exec Dt:
05/02/2013
7
BALLA, WILLIAM A.
Exec Dt:
05/01/2013
8
SAUR, MICHAEL J.
Exec Dt:
05/02/2013
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD
SUITE 400
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10061046
US20130215717
13759986
Correspondence name and address
WONG, CABELLO, LUTSCH, RUTHERFORD & BRUC
20333 SH 249, 6TH FLOOR
HOUSTON, TX 77070
Assignment: 95
Reel/Frame:031146/0058   Pages: 6
Recorded: 09/05/2013
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
INOVA LTD
Exec Dt:
08/20/2013
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD
SUITE 400
HOUSTON, TEXAS 77042-2839
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
6591025
NONE
09524918
 
7639567
US20090073807
11856386
 
8462587
US20100157734
12645811
 
8462585
US20100149915
12645818
 
8462588
US20100149916
12645827
 
8462589
US20100149922
12645835
Correspondence name and address
DORSEY & WHITNEY LLP
1400 WEWATTA STREET
SUITE 400
DENVER, CO 80202-5549
Assignment: 96
Reel/Frame:033383/0441   Pages: 3
Recorded: 07/24/2014
Attorney Dkt #:983-0026US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHNEIDER, CURT
Exec Dt:
07/23/2014
2
DUDLEY, TIMOTHY A.
Exec Dt:
07/23/2014
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BLVD, STE 400
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9766360
US20160025882
14339726
Correspondence name and address
WONG, CABELLO, LUTSCH, RUTHERFORD & BRUC
20333 SH 249 6TH FLOOR
HOUSTON, TX 77070
Assignment: 97
Reel/Frame:033383/0516   Pages: 3
Recorded: 07/24/2014
Attorney Dkt #:983-0026US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHNEIDER, CURT
Exec Dt:
07/23/2014
2
DUDLEY, TIMOTHY A.
Exec Dt:
07/23/2014
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BLVD, STE 400
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9389328
US20150101420
14339736
Correspondence name and address
WONG, CABELLO, LUTSCH, RUTHERFORD & BRUC
20333 SH 249 6TH FLOOR
HOUSTON, TX 77070
Assignment: 98
Reel/Frame:044330/0857   Pages: 3
Recorded: 12/07/2017
Attorney Dkt #:983-0026USC
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHNEIDER, CURT
Exec Dt:
07/23/2014
2
DUDLEY, TIMOTHY A
Exec Dt:
07/23/2014
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BLVD, STE 400
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10408959
US20170363761
15676839
Correspondence name and address
BLANK ROME LLP
717 TEXAS AVENUE, SUITE 1400
HOUSTON, TX 77002
Assignment: 99
Reel/Frame:059012/0134   Pages: 3
Recorded: 02/15/2022
Attorney Dkt #:IONG/0038USC02 (112993)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHNEIDER, CURT
Exec Dt:
07/23/2014
2
DUDLEY, TIMOTHY A.
Exec Dt:
07/23/2014
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD
SUITE 400
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20200073003
16566632
Correspondence name and address
PATTERSON + SHERIDAN, LLP - ION GEOPHYSICAL CORP.
24 GREENWAY PLAZA
SUITE 1600
HOUSTON, TX 77046
Assignment: 100
Reel/Frame:034685/0704   Pages: 3
Recorded: 01/12/2015
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAHN, DANIEL S.
Exec Dt:
10/09/2014
2
LEVEILLE, JACQUES P.
Exec Dt:
11/12/2014
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD
SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10345463
US20150241582
14594846
Correspondence name and address
JOSHUA D. ENGEL
1800 BROADWAY, SUITE 300
HOLLAND & HART
BOULDER, CO 80302
Page 1 of 2
1 2

Search Results as of: 05/10/2024 03:03 PM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT