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Patent Assignment Assignor Details
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Assignor Name : LAMBERT, DALE J.
Total Assignments: 12
Assignment: 1
Reel/Frame:008624/0522   Pages: 4
Recorded: 06/27/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
LAMBERT, DALE J.
Exec Dt:
06/18/1997
Assignee
1
THOMPSON EQUIPMENT COMPANY, INC.
125 INDUSTRIAL AVE.
NEW ORLEANS, LOUISIANA 70121
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5844152
NONE
08808210
Correspondence name and address
RAYMOND G. AREAUX
2700 ENERGY CENTRE
1100 POYDRAS STREET
NEW ORLEANS, LA 70163
Assignment: 2
Reel/Frame:012651/0207   Pages: 18
Recorded: 02/26/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MAXWELL, PETER
Exec Dt:
12/03/2001
2
BEHN, LAWRENCE P.
Exec Dt:
01/24/2002
3
BEDNAR, EUGENE D.
Exec Dt:
11/27/2001
4
GANNON, JEFFERY C.
Exec Dt:
11/21/2001
5
CORRIGAN, MICHAEL ARTHUR
Exec Dt:
11/19/2001
6
RAGAN, GLEN
Exec Dt:
11/20/2001
7
LAMBERT, DALE J.
Exec Dt:
11/21/2001
8
POLK, HENRY THOMAS
Exec Dt:
11/19/2001
9
ROCHE, STEVEN L.
Exec Dt:
11/19/2001
10
BERTRAND, WILFRED ROY
Exec Dt:
11/28/2001
11
WILSON, DAVID
Exec Dt:
12/12/2001
12
CAIN, BYRON LEE
Exec Dt:
11/20/2001
13
MCMAHON, MICHAEL GEORGE
Exec Dt:
12/21/2001
14
DOWNEY, JOHN C., JR.
Exec Dt:
11/27/2001
15
ELDER, KEITH
Exec Dt:
01/29/2002
Assignee
1
INPUT/OUTPUT, INC.
SUITE 200
12300 CHARLES E. SELECMAN DRIVE
STAFFORD, TEXAS 77477
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6883638
NONE
09936629
Correspondence name and address
MADAN, MOSSMAN & SRIRAM, P.C.
TODD A. BYNUM
2603 AUGUSTA
SUITE 700
HOUSTON, TX 77057
Assignment: 3
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: 4
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: 5
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: 6
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: 7
Reel/Frame:041022/0865   Pages: 4
Recorded: 01/20/2017
Attorney Dkt #:P254648.US.02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
LAMBERT, DALE J.
Exec Dt:
01/09/2017
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD, SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10024990
US20170010372
15204714
Correspondence name and address
DORSEY & WHITNEY LLP
50 SOUTH SIXTH STREET, SUITE 1500
INTELLECTUAL PROPERTY PRACTICE GROUP
MINNEAPOLIS, MN 55402-1498
Assignment: 8
Reel/Frame:046987/0891   Pages: 4
Recorded: 09/27/2018
Attorney Dkt #:P254648.US.03
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
LAMBERT, DALE J.
Exec Dt:
01/09/2017
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULVARD, SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11163077
US20180348387
16025425
Correspondence name and address
DORSEY & WHITNEY LLP
50 SOUTH SIXTH STREET, SUITE 1500
INTELLECTUAL PROPERTY PRACTICE GROUP
MINNEAPOLIS, MN 55402-1498
Assignment: 9
Reel/Frame:041474/0596   Pages: 4
Recorded: 03/06/2017
Attorney Dkt #:P253685.US.02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
LAMBERT, DALE J.
Exec Dt:
02/09/2017
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD, SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9817144
US20160349393
15170684
Correspondence name and address
DORSEY & WHITNEY LLP
50 SOUTH SIXTH STREET, SUITE 1500
INTELLECTUAL PROPERTY PRACTICE GROUP
MINNEAPOLIS, MN 55402-1498
Assignment: 10
Reel/Frame:041849/0274   Pages: 3
Recorded: 04/04/2017
Attorney Dkt #:85136.0022
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LAMBERT, DALE J.
Exec Dt:
03/22/2017
2
OLIVIER, ANDRE W.
Exec Dt:
03/22/2017
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD
SUITE 100
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10473806
US20150331126
14710373
Correspondence name and address
THOMAS D. ANDERSON
222 S. MAIN STREET
SUITE 2200
SALT LAKE CITY, UT 84101
Assignment: 11
Reel/Frame:050996/0229   Pages: 3
Recorded: 11/13/2019
Attorney Dkt #:P265546.US.02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LAMBERT, DALE J.
Exec Dt:
03/22/2017
2
OLIVIER, ANDRE W.
Exec Dt:
03/22/2017
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD
SUITE 400
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20200041678
16592440
Correspondence name and address
DORSEY & WHITNEY LLP
50 SOUTH SIXTH STREET SUITE 1500
INTELLECTUAL PROPERTY PRACTICE GROUP
MINNEAPOLIS, MN 55402
Assignment: 12
Reel/Frame:049774/0513   Pages: 4
Recorded: 07/17/2019
Attorney Dkt #:P276589.US.02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
LAMBERT, DALE J.
Exec Dt:
09/18/2018
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD, SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11940796
US20190377348
16436780
Correspondence name and address
DORSEY & WHITNEY LLP
50 SOUTH SIXTH STREET, SUITE 1500
INTELLECTUAL PROPERTY PRACTICE GROUP
MINNEAPOLIS, MN 55402-1498

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