Patent Assignment
Reel/Frame 045859/0211
Assignment of Assignor's Interest
Recorded: 2018-05-21
Pages: 3
Assignor
HUNTER, DOUGLAS A.
Executed: 2007-10-31
Assignee
CANRIG DRILLING TECHNOLOGY LTD.
14703 FM 1488, MAGNOLIA, TEXAS, 77354
Covered Property
(1)
Oilfield Tubular Spin-in and Spin-Out Detection for Making-Up and Breaking-Out Tubular Strings
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.