Patent Assignment
Reel/Frame 020256/0797
Assignment of Assignor's Interest
Recorded: 2007-12-17
Pages: 6
Assignor
FERBER, RALF
Executed: 2007-12-07
Assignee
WESTERNGECO, L.L.C.
10001 RICHMOND AVENUE, HOUSTON, TEXAS, 77042
Covered Property
(1)
Attenuating Noise in Seismic Data