Patent Assignment
Reel/Frame 012128/0842
Assignment of Assignor's Interest
Recorded: 2001-08-30
Pages: 2
Assignor
GRANT PRIDECO, INC.
Executed: 2001-08-21
Assignee
GRANT PRIDECO, L.P.
1450 LAKE ROBBINS DRIVE, SUITE 600, THE WOODLANDS, TEXAS, 77380
Covered Property
(1)
Tool Joint and Drill Pipe Made Therefrom
Patent:
6,305,723 →
Application:
09/179,512 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Release of Grant of Patent Security Agreement
Jun 1, 2005
From: DEUTSCHE BANK TRUST COMPANY AMERICAS
To: GRANT PRIDECO, L.P.
Reel/Frame 016079/0694 →
Security Agreement
Jun 3, 2005
From: GRANT PRIDECO, INC.
To: WELLS FARGO BANK
Reel/Frame 016087/0610 →
Release of Patent Security Agreement
Sep 18, 2006
From: WELLS FARGO BANK
To: GRANT PRIDECO, INC.
Reel/Frame 018268/0732 →