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Patent Assignment Assignor Details
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Assignor Name : HOFLAND, GREGG S.
Total Assignments: 5
Assignment: 1
Reel/Frame:019685/0738   Pages: 10
Recorded: 08/13/2007
Attorney Dkt #:IO-1115US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PAVEL, DENNIS R.
Exec Dt:
07/13/2007
2
ELDER, KEITH
Exec Dt:
07/13/2007
3
EPERJESI, RICHARD
Exec Dt:
07/13/2007
4
HOFLAND, GREGG S.
Exec Dt:
07/13/2007
5
WILLIAMS, MARTIN C.
Exec Dt:
07/13/2007
6
HOENMANS, SCOTT T.
Exec Dt:
07/13/2007
7
BULL, ANDREW
Exec Dt:
08/08/2007
8
FAICHNEY, ALAN
Exec Dt:
07/23/2007
Assignee
1
INPUT/OUTPUT, INC.
2101 CITYWEST BOULEVARD
BUILDING 3, SUITE 400
HOUSTON, TEXAS 77042
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: 2
Reel/Frame:025769/0310   Pages: 10
Recorded: 02/08/2011
Attorney Dkt #:IO-1115-USC
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PAVEL, DENNIS R.
Exec Dt:
07/13/2007
2
ELDER, KEITH
Exec Dt:
07/13/2007
3
EPERJESI, RICHARD
Exec Dt:
07/13/2007
4
HOFLAND, GREGG S.
Exec Dt:
07/13/2007
5
WILLIAMS, MARTIN C.
Exec Dt:
07/13/2007
6
HOENMANS, SCOTT T.
Exec Dt:
07/13/2007
7
BULL, ANDREW
Exec Dt:
08/08/2007
8
FAICHNEY, ALAN
Exec Dt:
07/23/2007
Assignee
1
INPUT/OUTPUT, INC.
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: 3
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: 4
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: 5
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

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