Patent Assignment
Reel/Frame 015243/0433
Assignment of Assignor's Interest
Recorded: 2004-04-19
Pages: 9
Assignors
O'BRIEN, THOMAS E.
Executed: 2004-01-07
OLDERVOLL, MAGNE
Executed: 2004-01-07
LOVHEIM, LEON
Executed: 2004-01-07
BISHOP, ALLEN J.
Executed: 2004-01-27
CAMPBELL, WILLIAM P.
Executed: 2004-03-16
SCHMIDT, RONALD G.
Executed: 2004-04-06
WHEELER, DOUGLAS S.
Executed: 2004-03-16
NIGHTINGALE, GEOFFREY M.
Executed: 2004-04-05
Assignee
INPUT/OUTPUT, INC.
12300 PARC CREST DRIVE, STAFFORD, TEXAS, 77477
Covered Property
(1)
Permanent Seafloor Seismic Recording System Utilizing Micro Electro-Mechanical Systems Seismic Sensors and Method of Deploying Same
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 →