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Patent Assignment Abstract of Title
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Total Assignments: 4
Patent #:
6035694
Issue Dt:
03/14/2000
Application #:
09268072
Filing Dt:
03/12/1999
Inventors:
SCOTT T. DUPUIE, RICHARD A. JOHNSON, BEN W. JONES, MAURICIO A. ZAVALETA et al
Title:
METHOD AND APPARATUS FOR CALIBRATION OF STRAY CAPACITANCE MISMATCH IN A CLOSED LOOP ELECTRO-MECHANICAL ACCELEROMETER
Assignment: 1
Reel/Frame:
009831/0777Recorded: 03/12/1999Pages: 9
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
DUPUIE, SCOTT T.
Exec Dt:
02/17/1999
JOHNSON, RICHARD A.
Exec Dt:
02/17/1999
JONES, BEN W.
Exec Dt:
01/13/1999
ZAVALETA, MAURICIO A.
Exec Dt:
01/25/1999
BURCHFIELD, MARK E.
Exec Dt:
03/08/1999
DEVOLK, BURTON A.
Exec Dt:
02/04/1999
MAYO, FRANKLIN W.
Exec Dt:
01/28/1999
ABRAMS, MICHAEL L.
Exec Dt:
01/11/1999
MAHER, ROGER
Exec Dt:
01/27/1999
Assignee:
I/O OF AUSTIN, INC.
SUITE 100
7600 B NORTH CAPITAL OF TEXAS HIGHWAY
AUSTIN, TEXAS 78731
Correspondent:
BUSH, RIDDLE ET AL
GARY L. BUSH
950 ECHO LANE, SUITE 180
HOUSTON TX 77024
Assignment: 2
Reel/Frame:
018720/0106Recorded: 01/03/2007Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
I/O OF AUSTIN, INC.
Exec Dt:
12/21/2006
Assignee:
INPUT/OUTPUT, INC.
2101 CITYWEST BOULEVARD
BUILDING 3, SUITE 400
HOUSTON, TEXAS 77042
Correspondent:
CHANDRAN D. KUMAR
2603 AUGUSTA
SUITE 700
HOUSTON, TX 77057
Assignment: 3
Reel/Frame:
033598/0088Recorded: 08/22/2014Pages: 20
Conveyance:
SECURITY AGREEMENT
Assignors:
ION GEOPHYSICAL CORPORATION
Exec Dt:
08/22/2014
I/O MARINE SYSTEMS, INC.
Exec Dt:
08/22/2014
GX TECHNOLOGY CORPORATION
Exec Dt:
08/22/2014
ION EXPLORATION PRODUCTS (U.S.A.), INC.
Exec Dt:
08/22/2014
Assignee:
PNC BANK, NATIONAL ASSOCIATION, AS AGENT
2100 ROSS AVENUE, SUITE 1850
DALLAS, TEXAS 75201
Correspondent:
SUSAN O'BRIEN
CT LIEN SOLUTIONS
187 WOLF ROAD, SUITE 101
ALBANY, NEW YORK 12205
Assignment: 4
Reel/Frame:
034181/0779Recorded: 11/04/2014Pages: 21
Conveyance:
SECURITY AGREEMENT
Assignors:
ION GEOPHYSICAL CORPORATION
Exec Dt:
08/22/2014
I/O MARINE SYSTEMS, INC.
Exec Dt:
08/22/2014
GX TECHNOLOGY CORPORATION
Exec Dt:
08/22/2014
ION EXPLORATION PRODUCTS (U.S.A.), INC.
Exec Dt:
08/22/2014
Assignee:
U. S. BANK NATIONAL ASSOCIATION, AS COLLATERAL AGENT
5555 SAN FELIPE, SUITE 1150
HOUSTON, TEXAS USA 77056
Correspondent:
SUSAN O'BRIEN
CT LIEN SOLUTIONS
187 WOLF ROAD, SUITE 101
ALBANY, NEW YORK 12205

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