Patent Assignment
Reel/Frame 021837/0469
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded: 2008-11-14
Received: 2008-11-14
Pages: 3
Assignor
WEINMAN GEOSCIENCE, INC.
Executed: 2008-06-04
Assignee
GLOBAL GEOPHYSICAL SERVICES, INC.
3535 BRIARPARK DRIVE, SUITE 200, HOUSTON, TX, 77042, UNITED STATES