Patent Assignment
Reel/Frame 031521/0350
Assignment of Assignor's Interest
Recorded: 2013-10-31
Pages: 7
Assignors
LANNING, CURTIS
Executed: 2011-04-29
PHUNG, DONG
Executed: 2011-04-29
SCHEN, AARON
Executed: 2011-04-29
RIDDEL, JACOB
Executed: 2011-04-29
Assignee
NATIONAL OILWELL VARCO, L.P.
7909 PARKWOOD CIRCLE DRIVE, HOUSTON, TEXAS, 77036
Covered Property
(1)
Drilling Motor Valve and Method of Using Same