IP Library › Assignment 028944/0222
Patent Assignment
Reel/Frame 028944/0222

Assignment of Assignor's Interest

Recorded: 2012-09-12 Pages: 8
Assignors
SITTON, GARY A.
Executed: 2007-10-10
BLOOR, ROBERT
Executed: 2007-10-12
SMITH, J. MACDONALD
Executed: 2007-10-10
Assignee
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BLVD., HOUSTON, TEXAS, 77042
Covered Properties (4)
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 5, 2013
From: INOVA LTD
To: ION GEOPHYSICAL CORPORATION
Reel/Frame 031146/0058 →
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 →