Assignment of Assignor's Interest

Recorded: 2010-04-14 Pages: 6

Assignors

HUNTER, DOUGLAS A.

Executed: 2010-03-20

THIEME, MARTIN H.

Executed: 2009-10-01

BROST, FRIEDHOLD

Executed: 2010-01-12

Assignee

CANRIG DRILLING TECHNOLOGY LTD.

14703 FM 1488, MAGNOLIA, TEXAS, 77354

Covered Property (1)

Oilfield Tubular Torque Wrench

Patent: 8,042,432 →

Application: 12/391,935 →

Publication: US 2009/0211405

Related Assignments (1)

Other recorded transfers of the patent in this record — the chain of ownership.