Patent Assignment
Reel/Frame 012188/0299
Change of Name
Recorded: 2001-09-13
Pages: 3
Assignor
GRANT TFW, INC.
Executed: 1995-07-24
Assignee
GRANT PRIDECO, INC.
SUITE 600, 1450 LAKE ROBBINS DR., THE WOODLANDS, TEXAS, 77380
Covered Properties
(2)
Method of Connecting Joints of Drill Pipe
Patent:
4,506,432 →
Application:
06/538,648 →
Tool Joint with Internal/External Make-Up Shoulders
Patent:
4,548,431 →
Application:
06/661,533 →
Related Assignments
(10)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Oct 3, 1983
From: SMITH, JACKIE E.
To: HUGHES TOOL COMPANY, A DE CORP.
Reel/Frame 004181/0301 →
Assignment of Assignors Interest.
May 15, 1984
From: HUGHES TOOL COMPANY
To: HUGHES TOOL COMPANY - USA A CORP OF
Reel/Frame 004269/0060 →
Assignment of Assignors Interest.
Oct 16, 1984
From: HALL, JAMES R.; CUNNINGHAM, ROBERT A.
To: HUGHES TOOL COMPANY - USA, A CORP OF DE
Reel/Frame 004342/0671 →
Assignment of Assignors Interest.
Oct 16, 1984
From: HALL, JAMES R.; CUNNINGHAM, ROBERT A.
To: HUGHES TOOL COMPANY - USA, A CORP OF DE
Reel/Frame 004343/0127 →
Assignment of Assignors Interest.
Aug 14, 1989
From: HUGHES TOOL COMPANY, - USA, A DE. CORP.
To: BAKER HUGHES, INC., A DE. CORP.
Reel/Frame 005161/0030 →
Assignment of Assignors Interest.
Dec 5, 1990
From: BAKER HUGHES INCORPORATED
To: BH TOOL JOINTS, INC., A CORP. OF TX
Reel/Frame 005570/0504 →
Merger and Change of Name November 02, 1990 Delaware
Jun 20, 1991
From: BH TOOL JOINTS, INC. A CORP. OF TEXAS MERGED WITH AND INTO EVI TJ, INC. A CORP. OF DELAWARE
To: BH TOOL JOINTS, INC. A CORP. OF TEXAS
Reel/Frame 005741/0538 →
Assignment of Assignors Interest.
Jan 17, 1992
From: BH TOOL JOINTS, INC.
To: GRANT TFW, INC.
Reel/Frame 005974/0246 →
Assignment of Assignor's Interest
Sep 25, 2001
From: GRANT PRIDECO, INC.
To: GRANT PRIDECO, L.P.
Reel/Frame 012188/0295 →
Grant of Patent
Jan 3, 2003
From: GRANT PRIDECO, INC.
To: DEUTSCHE BANK TRUST COMPANY AMERICAS
Reel/Frame 013323/0989 →