Patent Assignment
Reel/Frame 030695/0242
Change of Name
Recorded: 2013-06-26
Pages: 2
Assignor
INPUT/OUPUT, INC.
Executed: 2007-09-21
Assignee
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD, SUITE 400, HOUSTON, TEXAS, 77042
Covered Property
(1)
Apparatus for Generating a Seismic Source Signal
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.