Patent Assignment
Reel/Frame 021818/0421
Assignment of Assignor's Interest
Recorded: 2008-11-11
Pages: 4
Assignor
NELSON, JOHN E., MR.
Executed: 2008-11-06
Assignee
VETCO GRAY INC.
3010 BRIARPARK, THIRD FLOOR, HOUSTON, TEXAS, 77042
Covered Property
(1)
Metal Annulus Seal
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.