Patent Assignment
Reel/Frame 012519/0543
Assignment of Assignor's Interest
Recorded: 2002-01-14
Pages: 6
Assignors
COOK, ROBERT LANCE
Executed: 2001-10-11
WADDELL, KEVIN
Executed: 2001-10-11
RING, LEV
Executed: 2001-10-11
BRISCO, DAVID PAUL
Executed: 2001-10-11
Assignee
SHELL OIL COMPANY
910 LOUISIANA STREET, SUITE 4719, HOUSTON, TEXAS, 77002
Covered Property
(1)
Isolation of Subterranean Zones
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.