IP Library › Assignment 022153/0614
Patent Assignment
Reel/Frame 022153/0614

Assignment of Assignor's Interest

Recorded: 2009-01-26 Pages: 6
Assignors
SITTON, GARY A.
Executed: 2008-08-29
STIEGLITZ, THEODORE C.
Executed: 2009-01-21
Assignee
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BLVD., HOUSTON, TEXAS, 77042
Covered Property (1)
Flexural Wave Attenuation
Patent: 7,864,628 →
Application: 12/170,309 →
Publication: US 2010/0008186
Related Assignments (2)
Other recorded transfers of the patent 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 →