Patent Assignment
Reel/Frame 024541/0753
Assignment of Assignor's Interest
Recorded: 2010-06-16
Pages: 4
Assignors
LAM, CLIVE C.
Executed: 2010-06-15
GUO, YANMING
Executed: 2010-06-15
LOGAN, KEVIN D.
Executed: 2010-06-15
YUAN, QINGSHAN
Executed: 2010-06-15
Assignee
NATIONAL OILWELL VARCO, L.P.
7909 PARKWOOD CIRCLE DRIVE, HOUSTON, TEXAS, 77036
Covered Property
(1)
Membrane-Coupled Ultrasonic Probe System for Detecting Flaws in a Tubular