Patent Assignment
Reel/Frame 019918/0803
Assignment of Assignor's Interest
Recorded: 2007-10-04
Pages: 9
Assignors
COOK, ROBERT LANCE
Executed: 2007-08-01
RING, LEV
Executed: 2007-08-08
WADDELL, KEVIN K.
Executed: 2007-07-18
FILIPPOV, ANDREI GREGORY
Executed: 2007-07-18
ZWALD, EDWIN ARNOLD, JR.
Executed: 2007-07-17
Assignee
SHELL OIL COMPANY
910 LOUISIANA ST., HOUSTON, TEXAS, 77002
Covered Property
(1)
Apparatus for Forming a Mono-Diameter Wellbore Casing
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.