Patent Assignment
Reel/Frame 016686/0430
Assignment of Assignor's Interest
Recorded: 2005-10-27
Pages: 2
Assignor
SHIRLEY-FISHER, DAVID N.
Executed: 2005-06-20
Assignee
REEDHYCALOG U.K. LIMITED
STONEDALE ROAD, OLDENDS LANE INDUSTRIAL ESTATE, STONEHOUSE, GL10 3RQ, UNITED KINGDOM
Covered Property
(1)
Cutting Elements for Rotary Drill Bits
Patent:
4,928,777 →
Application:
07/120,718 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Agreement
Jun 3, 2005
From: GRANT PRIDECO, L.P.
To: WELLS FARGO BANK
Reel/Frame 016087/0629 →
Release of Patent Security Agreement
Sep 18, 2006
From: WELLS FARGO BANK
To: GRANT PRIDECO, L.P.
Reel/Frame 018268/0796 →
Release of Patent Security Agreement
Sep 18, 2006
From: WELLS FARGO BANK
To: GRANT PRIDECO, L.P.
Reel/Frame 018279/0119 →