Patent Assignment
Reel/Frame 019922/0688
Change of Name
Recorded: 2007-10-04
Pages: 2
Assignor
INPUT/OUTPUT, INC.
Executed: 2007-09-21
Assignee
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD, HOUSTON, TEXAS, 77042-2839
Covered Properties
(2)
Digital Elevation Model for Use with Seismic Data Acquisition Systems
Digital elevation model for use with seismic data acquisition systems
Application:
60/812,468 →
Related Assignments
(4)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 29, 2006
From: BULL, ANDREW; BARRATT, JOHN
To: INPUT/OUTPUT, INC.
Reel/Frame 018336/0008 →
Assignment of Assignor's Interest
Aug 13, 2007
From: BULL, ANDREW; BARRATT, JOHN; HOENMANS, SCOTT T.; WILLIAMS, MARTIN C.
To: INPUT/OUTPUT, INC.
Reel/Frame 019685/0623 →
Assignment of Assignor's Interest
May 21, 2010
From: ION GEOPHYSICAL CORPORATION
To: INOVA GEOPHYSICAL CORPORATION
Reel/Frame 024424/0138 →
Assignment of Assignor's Interest
Jul 9, 2010
From: ION GEOPHYSICAL CORPORATION
To: INOVA LTD.
Reel/Frame 024651/0695 →