Patent Assignment
Reel/Frame 021701/0330
Correction by Declaration of Erroneously Recorded Patent No. 4,944,538 Recorded at Reel 020951 Frame 0889.
Recorded: 2008-10-10
Pages: 7
Assignor
V&M ATLAS BRADFORD, LP
Executed: 2007-12-06
Assignee
V&M ATLAS BRADFORD, LP
400 N. SAM HOUSTON PKWY. E., SUITE 900, HOUSTON, TEXAS, 77060
Covered Property
(1)
Threaded Pipe Joint Having Improved Seal Ring Entrapment
Patent:
4,944,538 →
Application:
07/320,476 →
Related Assignments
(7)
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, 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 →
Assignment of Assignor's Interest
Dec 20, 2007
From: GRANT PRIDECO, L.P.
To: V&M ATLAS BRADFORD, LP
Reel/Frame 020270/0545 →
Change of Name
Feb 23, 2009
From: V&M ATLAS BRADFORD, LP
To: V&M ATLAS BRADFORD, LLC
Reel/Frame 022288/0955 →
Merger
Feb 27, 2009
From: V&M ATLAS BRADFORD, LLC
To: VAM USA, LLC
Reel/Frame 022320/0108 →