Patent Assignment
Reel/Frame 020223/0216
Assignment of Assignor's Interest
Recorded: 2007-12-10
Pages: 5
Assignor
WELKER, KENNETH E.
Executed: 2007-05-30
Assignee
WESTERNGECO, L.L.C.
10001 RICHMOND AVENUE, HOUSTON, TEXAS, 77042
Covered Property
(1)
In-Sea Power Generation for Marine Seismic Operations
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.