Patent Assignment
Reel/Frame 015640/0764
Assignment of Assignor's Interest
Recorded: 2005-02-01
Pages: 3
Assignee
INPUT/OUTPUT, INC.
12300 PARC CREST DRIVE, STAFFORD, TEXAS, 77477
Covered Property
(1)
System for Estimating Azimuthal Variations in Seismic Data
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
Feb 1, 2005
From: AXIS GEOPHYSICS, INC.; GMG/AXIS, INC.
To: INPUT/OUTPUT, INC.
Reel/Frame 015640/0773 →
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 →