Patent Assignment
Reel/Frame 050498/0452
Assignment of Assignor's Interest
Recorded: 2019-09-26
Pages: 5
Assignors
CLAUSEN, JEFFERY RONALD
Executed: 2018-03-29
MARCHAND, NICHOLAS RYAN
Executed: 2018-03-29
DONALD, SEAN MATTHEW
Executed: 2018-03-28
Assignee
NATIONAL OILWELL DHT, L.P.
500 CONROE PARK WEST DRIVE, CONROE, TEXAS, 77303
Covered Property
(1)
Valves for Actuating Downhole Shock Tools in Connection with Concentric Drive Systems