Patent Assignment
Reel/Frame 018783/0795
Assignment of Assignor's Interest
Recorded: 2007-01-22
Pages: 8
Assignors
COOK, ROBERT LANCE
Executed: 2007-01-11
RING, LEV
Executed: 2007-01-08
ZWALD, EDWIN ARNOLD, JR.
Executed: 2006-12-07
FILIPPOV, ANDREI GREGORY
Executed: 2006-12-13
WADDELL, KEVIN K.
Executed: 2006-12-07
Assignee
SHELL OIL COMPANY
910 LOUISIANA, HOUSTON, TEXAS, 77252
Covered Property
(1)
Method and Apparatus for Forming a Mono-Diameter Wellbore Casing
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.