IP Library › Assignment 006839/0285
Patent Assignment
Reel/Frame 006839/0285

Assignment of Assignor's Interest

Recorded: 1994-01-24 Pages: 3
Assignors
CARLIN, FRANK J.
Executed: 1994-01-14
PRICE, JOHN F.
Executed: 1994-01-14
Assignee
GRANT TFW, INC.
363 N. SAM HOUSTON, PARKWAY EAST, HOUSTON, TEXAS, 77060
Covered Property (1)
Apparatus and Method for Enhancing Fatigue Properties of Subterranean Well Drill Pipe Immediate the Area of Securement to a Tool Joint
Patent: 5,361,846 →
Application: 08/155,011 →
Related Assignments (5)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →
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 →