Patent Assignment
Reel/Frame 024754/0587
Assignment of Assignor's Interest
Recorded: 2010-07-28
Pages: 5
Assignors
BULL, ANDREW
Executed: 2007-08-08
WILLIAMSON, CRAIG
Executed: 2007-07-08
WILLIAMS, MARTIN C.
Executed: 2007-07-13
HOENMANS, SCOTT T.
Executed: 2007-07-13
Assignee
ION GEOPHYSICAL CORPORATION
2105 CITY WEST BOULEVARD, SUITE 400, HOUSTON, TEXAS, 77042-2839
Covered Property
(1)
Heads-Up Navigation for Seismic Data Acquisition
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.