Patent Assignment
Reel/Frame 024615/0088
Assignment of Assignor's Interest
Recorded: 2010-06-30
Pages: 3
Assignor
VASCONCELOS, IVAN
Executed: 2010-06-28
Assignee
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD, SUITE 400, HOUSTON, TEXAS, 77042-2839
Covered Properties
(2)
Annihilator Based Wave Inversion
Wave Equation Imaging
Application:
61/263,705 →
Related Assignments
(4)
Other recorded transfers of the patents 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 →
Assignment of Assignor's Interest
Sep 27, 2022
From: ION GEOPHYSICAL CORPORATION; GX TECHNOLOGY CORPORATION; GX GEOSCIENCE CORPORATION S. DE R.L. DE C.V.; GX TECHNOLOGY IMAGING SERVICES LIMITED
To: TGS-NOPEC GEOPHYSICAL COMPANY
Reel/Frame 061228/0057 →
Security Interest
Jun 3, 2024
From: TGS-NOPEC GEOPHYSICAL COMPANY
To: DANSKE BANK A/S
Reel/Frame 067600/0001 →