Patent Assignment
Reel/Frame 015023/0397
Assignment of Assignor's Interest
Recorded: 2004-03-03
Pages: 2
Assignee
SHELL OIL COMPANY
900 LOUISIANA, P.O. BOX 2463, HOUSTON, TEXAS, 77252-2463
Covered Property
(1)
Drilling a Borehole
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.