Patent Assignment
Reel/Frame 016780/0799
Assignment of Assignor's Interest
Recorded: 2005-07-12
Pages: 5
Assignor
ROBERTSSON, JOHAN O.A.
Executed: 2005-06-11
Assignee
WESTERNGECO, L.L.C.
10001 RICHMOND AVENUE, HOUSTON, TEXAS, 77042
Covered Property
(1)
Methods and Apparatus for Acquisition of Marine Seismic Data