Patent Assignment
Reel/Frame 023629/0543
Assignment of Assignor's Interest
Recorded: 2009-12-09
Pages: 3
Assignor
GRANT, JOHN EDWARD
Executed: 2009-12-03
Assignee
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD, HOUSTON, TEXAS, 77042
Covered Property
(1)
Method and System for Controlling Streamers
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 9, 2009
From: SEALE, DANIEL B.; CESPEDES M., DAVID A.
To: ION GEOPHYSICAL CORPORATION
Reel/Frame 023629/0484 →
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 →
Assignment of Assignor's Interest
Aug 24, 2023
From: I/O CAYMAN ISLANDS LTD; I/O MARINE SYSTEMS, INC.; ION INTERNATIONAL S.A.R.L.; ION GEOPHYSICAL CORPORATION
To: DIGICOURSE, LLC
Reel/Frame 064691/0228 →