Patent Assignment
Reel/Frame 030150/0467
Assignment of Assignor's Interest
Recorded: 2013-04-04
Pages: 3
Assignee
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BLVD., SUITE 400, HOUSTON, TEXAS, 77042-2839
Covered Property
(1)
Method and System for Controlling Streamers
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 4, 2013
From: GRANT, JOHN EDWARD
To: ION GEOPHYSICAL CORPORATION
Reel/Frame 030150/0531 →
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 →