Assignment of Assignor's Interest

Recorded: 2001-09-13 Pages: 3

Assignor

TESCO GRIS GUN LTD.

Executed: 2001-07-31

Assignee

CORE LABORATORIES CANADA LTD.

3700, 400-3RD AVENUE SW, CALGARY ALBERTA,, T2P 4, CANADA

Covered Property (1)

Downhole Shock Absorber

Patent: 6,412,614 →

Application: 09/399,093 →

Related Assignments (1)

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