IP Library › Assignment 014682/0196
Patent Assignment
Reel/Frame 014682/0196

Merger

Recorded: 2003-11-12 Pages: 5
Assignors
AXIS GEOPHYSICS, INC.
Executed: 2003-03-05
GMG/AXIS, INC.
Executed: 2003-11-07
Assignee
INPUT/OUTPUT, INC.
12300 PARC CREST DRIVE, STAFFORD, TEXAS, 77477
Covered Property (1)
System for Estimating Azimuthal Variations in Seismic Data
Patent: 6,681,184 →
Application: 09/855,925 →
Publication: US 2003/0018435
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jul 17, 2001
From: JENNER, EDWARD LOUIS; WILLIAMS, MARTIN CARROLL
To: AXIS GEOPHYSICS, INC.
Reel/Frame 011986/0990 →
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 →