Patent Assignment
Reel/Frame 012878/0352
Assignment of Assignor's Interest
Recorded: 2002-05-06
Pages: 10
Assignors
SELVAKUMAR, ARJUN
Executed: 2001-11-16
GOLDBERG, HOWARD D.
Executed: 2001-11-26
YU, DULI
Executed: 2001-11-27
IP, MATTHEW
Executed: 2001-12-07
SCHMIDT, MARTIN A.
Executed: 2002-02-23
MARSH, JAMES L.
Executed: 2001-11-29
FUNG, BING-FAI
Executed: 2001-11-21
SIMON, PHILIP
Executed: 2001-11-19
Assignee
INPUT/OUTPUT, INC.
SUITE 200, 12300 CHARLES E. SELECMAN DRIVE, STAFFORD, TEXAS, 77477
Covered Property
(1)
Sensor Design and Process
Patent:
6,871,544 →
Application:
09/936,640 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Agreement
Aug 22, 2014
From: ION GEOPHYSICAL CORPORATION; I/O MARINE SYSTEMS, INC.; GX TECHNOLOGY CORPORATION; ION EXPLORATION PRODUCTS (U.S.A.), INC.
To: PNC BANK, NATIONAL ASSOCIATION, AS AGENT
Reel/Frame 033598/0088 →
Security Agreement
Nov 4, 2014
From: ION GEOPHYSICAL CORPORATION; I/O MARINE SYSTEMS, INC.; GX TECHNOLOGY CORPORATION; ION EXPLORATION PRODUCTS (U.S.A.), INC.
To: U. S. BANK NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 034181/0779 →