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Patent Assignment Assignor Details
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Assignor Name : SITTON, GARY A.
Total Assignments: 8
Assignment: 1
Reel/Frame:008028/0697   Pages: 6
Recorded: 07/09/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHAMBERS, RONALD E.
Exec Dt:
07/25/1995
2
SITTON, GARY A.
Exec Dt:
07/25/1995
3
PAFFENHOLZ, JOSEF
Exec Dt:
07/25/1995
Assignee
1
WESTERN ATLAS INTERNATIONAL, INC.
10205 WESTHEIMER ROAD
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5572483
NONE
08507653
Correspondence name and address
WESTERN ATLAS INTERNATIONAL, INC.
CHARLES R. SCHWEPPE
P.O. BOX 1407
HOUTON, TEXAS 77251-1407
Assignment: 2
Reel/Frame:008398/0524   Pages: 2
Recorded: 01/24/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SITTON, GARY A.
Exec Dt:
01/24/1997
2
JERICEVIC, ZELJKO
Exec Dt:
01/24/1997
Assignee
1
WESTERN ATLAS INTERNATIONAL
10205 WESTHEIMER ROAD
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5757852
NONE
08787310
Correspondence name and address
RICHARD A. FAGIN
10205 WESTHEIMER ROAD
HOUSTON, TX 77042-3115
Assignment: 3
Reel/Frame:009323/0709   Pages: 2
Recorded: 07/14/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SITTON, GARY A.
Exec Dt:
07/10/1998
2
JERICEVIC, ZELJKO
Exec Dt:
07/10/1998
Assignee
1
WESTERN ATLAS INTERNATIONAL, INC.
10205 WESTHEIMER ROAD
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6038197
NONE
09115307
Correspondence name and address
WESTERN ATLAS INTERNATIONAL, INC.
CHARLES R. SCHWEPPE
10205 WESTHEIMER ROAD
HOUSTON, TEXAS 77042
Assignment: 4
Reel/Frame:011993/0878   Pages: 4
Recorded: 07/09/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SITTON, GARY A.
Exec Dt:
06/13/2001
Assignee
1
WESTERNGECO L.L.C.
10001 RICHMOND AVENUE
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6522974
US20020010545
09790150
Correspondence name and address
MADAN, MOSSMAN & SRIRAM, P.C.
KAUSHIK P. SRIRAM
2603 AUGUSTA, SUITE 700
HOUSTON, TX 77057
Assignment: 5
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: 6
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: 7
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: 8
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

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