Patent Assignment
Reel/Frame 020562/0316
Assignment of Assignor's Interest
Recorded: 2008-02-26
Pages: 7
Assignors
ELDER, KEITH
Executed: 2008-02-14
KOOPER, STEVEN
Executed: 2008-02-05
FESZTHAMMER, ANDRAS
Executed: 2008-02-06
CLAYTON, DONALD E.
Executed: 2008-02-06
POLK, HENRY T.
Executed: 2008-02-25
Assignee
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD, SUITE 400, HOUSTON, TEXAS, 77042-2839
Covered Property
(1)
Apparatus and Method for Compressing Seismic Data
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.