IP Library Assignment 031146/0058
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
Patent: 7,639,567 →
Application: 11/856,386 →
Publication: US 2009/0073807
Generating Seismic Vibrator Signals Having Distinguishing Signatures
Patent: 8,462,587 →
Application: 12/645,811 →
Publication: US 2010/0157734
Acquiring Seismic Vibrator Signals Having Distinguishing Signatures
Patent: 8,462,585 →
Application: 12/645,818 →
Publication: US 2010/0149915
Processing Seismic Vibrator Signals Having Distinguishing Signatures
Patent: 8,462,588 →
Application: 12/645,827 →
Publication: US 2010/0149916
Apparatus for Generating Seismic Signals Having Distinguishing Signatures
Patent: 8,462,589 →
Application: 12/645,835 →
Publication: US 2010/0149922
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 →