Patent Assignment
Reel/Frame 014165/0674
Assignment of Assignor's Interest
Recorded: 2003-06-10
Pages: 3
Assignors
OTTEN, GREGORY K.
Executed: 2003-05-13
MORRISH, MARTIN M.
Executed: 2003-02-18
OHLENDORF, CHARLES K.
Executed: 2003-02-18
Assignee
GRANT PRIDECO, L.P.
1450 LAKE ROBBINS DRIVE, SUITE 500, HOUSTON, TEXAS, 77380
Covered Property
(1)
Multi-taper and multi-pitch diameter API eight round thread coupling
Application:
10/457,773 →
Publication:
US 2004/0251686
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 →