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Patent Assignment Abstract of Title
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Total Assignments: 4
Patent #:
6758080
Issue Dt:
07/06/2004
Application #:
09914422
Filing Dt:
11/14/2001
Inventors:
Glen Ragan, David Wilson, Jeffrey C. Gannon, Hai T. Pham
Title:
CALIBRATION OF SENSORS
Assignment: 1
Reel/Frame:
012444/0983Recorded: 11/14/2001Pages: 6
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
RAGAN, GLEN
Exec Dt:
11/05/2001
WILSON, DAVID
Exec Dt:
11/05/2001
GANNON, JEFFREY C.
Exec Dt:
11/02/2001
Assignee:
INPUT/OUTPUT, INC.
12300 CHARLES E. SELECMAN DRIVE, SUITE 200
STAFFORD, TEXAS 77477
Correspondent:
MADAN, MOSSMAN & SRIRAM, P.C.
TODD A. BYNUM
2603 AUGUSTA, SUITE 700
HOUSTON, TX 77057
Assignment: 2
Reel/Frame:
012750/0224Recorded: 03/25/2002Pages: 7
Conveyance:
CORRECTIVE ASSIGNMENT TO ADD INVENTOR'S NAME THAT WAS PREVIOUSLY RECORDED ON REEL 012444, FRAME 0983.
Assignors:
RAGAN, GLEN
Exec Dt:
11/05/2001
WILSON, DAVID
Exec Dt:
11/05/2001
GANNON, JEFFREY C.
Exec Dt:
11/02/2001
PHAM, HAI T.
Exec Dt:
11/05/2001
Assignee:
INPUT/OUTPUT INC.
12300 CHARLES E. SELECMAN DRIVE
STAFFORD, TEXAS 77477
Correspondent:
MADAN, MOSSMAN & SRIRAM, P.C.
TODD A. BYNUM
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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