Patent Assignment
Reel/Frame 021171/0824
Assignment of Assignor's Interest
Recorded: 2008-06-30
Pages: 4
Assignor
ZIMMERMANN, KRIS D., MR.
Executed: 2008-06-23
Assignee
TESCO CORPORATION
3993 W. SAM HOUSTON PARKWAY N., HOUSTON, TEXAS, 77043
Covered Property
(1)
Pipe Gripping Assembly with Power Screw Actuator and Method of Gripping Pipe on a Rig
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.