Patent Assignment
Reel/Frame 028422/0058
Assignment of Assignor's Interest
Recorded: 2012-06-21
Pages: 4
Assignee
CANRIG DRILLING TECHNOLOGY LTD.
8223 WILOW PLACE DRIVE SOUTH, HOUSTON, TEXAS, 77070
Covered Property
(1)
Bearing Apparatus and Methods
Application:
61/639,445 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.