Patent Assignment
Reel/Frame 031146/0058
Assignment of Assignor's Interest
Recorded: 2013-09-05
Pages: 6
Assignor
INOVA LTD
Executed: 2013-08-20
Assignee
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD, SUITE 400, HOUSTON, TEXAS, 77042-2839
Covered Properties
(6)
Optical Sensing System
Patent:
6,591,025 →
Application:
09/524,918 →
Generating Seismic Vibrator Signals
Generating Seismic Vibrator Signals Having Distinguishing Signatures
Acquiring Seismic Vibrator Signals Having Distinguishing Signatures
Processing Seismic Vibrator Signals Having Distinguishing Signatures
Apparatus for Generating Seismic Signals Having Distinguishing Signatures
Related Assignments
(3)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 12, 2012
From: SITTON, GARY A.; BLOOR, ROBERT; SMITH, J. MACDONALD
To: ION GEOPHYSICAL CORPORATION
Reel/Frame 028944/0222 →
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 →