Patent Assignment
Reel/Frame 030708/0143
Assignment of Assignor's Interest
Recorded: 2013-06-28
Pages: 6
Assignee
CANRIG DRILLING TECHNOLOGY LTD.
8223 WILLOW PLACE DRIVE SOUTH, HOUSTON, TEXAS, 77070
Covered Property
(1)
Bearing Apparatus and Methods
Application:
13/871,679 →
Publication:
US 2013/0284459