Patent Assignment
Reel/Frame 014903/0259
Assignment of Assignor's Interest
Recorded: 2004-01-21
Pages: 2
Assignor
CALVERT, RODNEY WILLIAM
Executed: 2002-10-09
Assignee
SHELL OIL COMPANY
P.O. BOX 2463, 900 LOUISANA, HOUSTON, TEXAS, 77252-2463
Covered Property
(1)
Seismic Imaging a Subsurface Formation
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.