Patent Assignment
Reel/Frame 019685/0623
Assignment of Assignor's Interest
Recorded: 2007-08-13
Pages: 5
Assignors
BULL, ANDREW
Executed: 2007-08-08
BARRATT, JOHN
Executed: 2007-08-07
HOENMANS, SCOTT T.
Executed: 2007-07-13
WILLIAMS, MARTIN C.
Executed: 2007-07-13
Assignee
INPUT/OUTPUT, INC.
2101 CITYWEST BOULEVARD, BUILDING 3, SUITE 400, HOUSTON, TEXAS, 77042
Covered Property
(1)
Digital Elevation Model for Use with Seismic Data Acquisition Systems
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Oct 4, 2007
From: INPUT/OUTPUT, INC.
To: ION GEOPHYSICAL CORPORATION
Reel/Frame 019922/0688 →
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 →