Patent Assignment
Reel/Frame 019522/0451
Assignment of Assignor's Interest
Recorded: 2007-06-29
Pages: 3
Assignor
HAGEDOORN, AREND L.
Executed: 2007-06-27
Assignee
INPUT/OUTPUT, INC.
2101 CITY WEST BLVD., BUILDING III, SUITE 400, HOUSTON, TEXAS, 77042
Covered Property
(1)
Motion Transducer
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 →