Patent Assignment
Reel/Frame 023112/0493
Assignment of Assignor's Interest
Recorded: 2009-08-18
Pages: 3
Assignee
NATIONAL OILWELL VARCO, L.P.
7909 PARKWOOD CIRCLE DRIVE, HOUSTON, TEXAS, 77036
Covered Property
(1)
Process for Making Upsets for Oilfield Drill Pipe