Patent Assignment
Reel/Frame 012188/0295
Assignment of Assignor's Interest
Recorded: 2001-09-25
Pages: 4
Assignor
GRANT PRIDECO, INC.
Executed: 2001-09-18
Assignee
GRANT PRIDECO, L.P.
1450 LAKE ROBBINS DR. SUITE 600, THE WOODLAND, TEXAS, 77380
Covered Properties
(2)
Multiple Control Stores in a Pipelined Microcontroller for Handling Jump and Return Subroutines
Patent:
4,546,431 →
Application:
06/438,701 →
Method of Connecting Joints of Drill Pipe
Patent:
4,506,432 →
Application:
06/538,648 →
Related Assignments
(10)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Nov 3, 1982
From: HORVATH, CARLOS F.
To: BURROUGHS CORPORATION
Reel/Frame 004064/0205 →
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 →
Merger Delaware Effective May 30, 1982.
Jul 13, 1984
From: BURROUGHS CORPORATION A CORP OF MI (MERGED INTO); BURROUGHS DELAWARE INCORPORATED A DE CORP. (CHANGED TO)
To: BURROUGHS CORPORATION
Reel/Frame 004312/0324 →
Merger
Nov 22, 1988
From: BURROUGHS CORPORATION
To: UNISYS CORPORATION
Reel/Frame 005012/0501 →
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 →
Change of Name
Sep 13, 2001
From: GRANT TFW, INC.
To: GRANT PRIDECO, INC.
Reel/Frame 012188/0299 →