IP Library › Assignment 019376/0526
Patent Assignment
Reel/Frame 019376/0526

Assignment of Assignor's Interest

Recorded: 2007-06-04 Pages: 3
Assignor
HAGEDOORN, AREND L.
Executed: 2007-04-04
Assignee
INPUT/OUTPUT, INC.
2101 CITYWEST BLVD., BUILDING III, SUITE 400, HOUSTON, TEXAS, 77042
Covered Property (1)
Geophone with Mass Position Sensing
Patent: 7,505,369 →
Application: 11/618,355 →
Publication: US 2007/0223314
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 →