Patent Assignment
Reel/Frame 020238/0864
Assignment of Assignor's Interest
Recorded: 2007-12-10
Pages: 3
Assignor
FORD, DAVID L.
Executed: 2007-12-06
Assignee
VETCO GRAY INC.
3010 BRIARPARK, THIRD FLOOR, HOUSTON, TEXAS, 77042
Covered Property
(1)
Method for Running Casing While Drilling System
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.