Patent Assignment
Reel/Frame 019274/0035
Assignment of Assignor's Interest
Recorded: 2007-05-10
Pages: 7
Assignors
PIETRAS, BERND-GEORG
Executed: 2004-06-17
BAILEY, THOMAS F.
Executed: 2004-06-14
VUYK, ADRIAN, JR.
Executed: 2004-06-15
WILSON, CARL J.
Executed: 2004-06-11
Assignee
WEATHERFORD/LAMB, INC.
515 POST OAK BOULEVARD, SUITE 600, HOUSTON, TEXAS, 77027
Covered Property
(1)
Casing Running and Drilling System
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.