Patent Assignment
Reel/Frame 052503/0687
Assignment of Assignor's Interest
Recorded: 2020-04-27
Pages: 4
Assignee
NTDRILL HOLDINGS LLC
7904 N. SAM HOUSTON PARKWAY WEST, SUITE #400, HOUSTON, TEXAS, 77064
Covered Property
(1)
Rotating Control Device with Cooling Mandrel