Patent Assignment
Reel/Frame 006011/0370
Assignment of Assignors Interest.
Recorded: 1992-02-10
Pages: 3
Assignors
SEAL-TECH. INC., A CORP. OF AL
Executed: 1989-03-02
JOHNSON, FREDERICK W.
Executed: 1989-03-02
Covered Property
(1)
Liner Connection
Patent:
4,707,001 →
Application:
06/876,712 →
Related Assignments
(10)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Jun 20, 1986
From: JOHNSON, FREDERICK W.
To: SEAL-TECH, INC.
Reel/Frame 004565/0902 →
Assignment of Assignors Interest.
Feb 18, 1992
From: FOLSOM METAL PRODUCTS, INC.
To: ATLAS BRADFORD CORP.
Reel/Frame 006014/0609 →
Assignment of Assignors Interest.
Dec 14, 1992
From: ALTAS BRADFORD CORPORATION
To: GRANT TFW, INC.
Reel/Frame 006401/0362 →
Change of Name
Jan 8, 2001
From: GRANT TFW, INC.
To: GRANT PRIDECO, INC.
Reel/Frame 011436/0249 →
Assignment of Assignor's Interest
Jan 17, 2001
From: GRANT PRIDECO, INC.
To: GRANT PRIDECO, L.P.
Reel/Frame 011449/0400 →
Grant of Patent
Jan 3, 2003
From: GRANT PRIDECO, L.P.
To: DEUTSCHE BANK TRUST COMPANY AMERICAS
Reel/Frame 013333/0021 →
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 →