Patent Assignment
Reel/Frame 023138/0528
Assignment of Assignor's Interest
Recorded: 2009-08-24
Pages: 5
Assignee
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD, SUITE 400, HOUSTON, TEXAS, 77042
Covered Property
(1)
Electromagnetic Exploration
Application:
12/475,239 →
Publication:
US 2009/0302849
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.