Patent Assignment
Reel/Frame 031309/0578
Assignment of Assignor's Interest
Recorded: 2013-09-30
Pages: 4
Assignee
CANRIG DRILLING TECHNOLOGY LTD.
8223 WILLOW PLACE DRIVE SOUTH, HOUSTON, TEXAS, 77070
Covered Property
(1)
Non-Stop Driller Manifold and Methods
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.