Patent Assignment
Reel/Frame 022744/0459
Assignment of Assignor's Interest
Recorded: 2009-05-28
Pages: 7
Assignor
DRANGE, GEIR A. M.
Executed: 2008-03-31
Assignee
WESTERNGECO L. L. C.
10001 RICHMOND AVENUE, IP DEPT - JEFF GRIFFIN, HOUSTON, TEXAS, 77042
Covered Property
(1)
Distributing a Clock in a Subterranean Survey Data Acquisition System
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.