Patent Assignment
Reel/Frame 005199/0406
Assignment of Assignors Interest.
Recorded: 1989-12-21
Pages: 3
Assignor
Assignee
NATIONAL-OILWELL, A GENERAL PARTNERSHIP OF DE
4040 FOREST LANE,, GARLAND,, TEXAS, 75046
Covered Properties
(3)
Crossarm Valve Seat with Pulling Ledge
Patent:
4,928,726 →
Application:
07/212,936 →
Valve with Replaceable Seal Element
Patent:
4,922,957 →
Application:
07/321,157 →
Seal for a Pump Valve
Patent:
4,951,707 →
Application:
07/335,725 →
Related Assignments
(12)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Jun 29, 1988
From: JOHNSON, JERRY E.; HOERNER, CLINTON C. JR.
To: TRW INC., A CORP. OF OHIO
Reel/Frame 004902/0684 →
Assignment of Assignors Interest.
Oct 27, 1988
From: TRW INC., A CORP. OF OH
To: SANDVIK ROCK TOOLS, INC.
Reel/Frame 004967/0306 →
Assignment of Assignors Interest.
Mar 8, 1989
From: JOHNSON, JERRY E.
To: SANDVIK ROCK TOOLS, INC.
Reel/Frame 005052/0913 →
Assignment of Assignors Interest.
Apr 10, 1989
From: JOHNSON, JERRY E.
To: SANDVIK ROCKS TOOLS, INC., 1000 INDUSTRIAL PARK ROAD, BRISTOL, VA, A CORP. OF DE
Reel/Frame 005062/0385 →
Security Interest
Apr 6, 1993
From: NATIONAL-OILWELL
To: CITICORP USA, INC., AS COLLATERAL AGENT
Reel/Frame 006486/0856 →
Release of Security Interest
Mar 1, 1995
From: NATIONAL-OILWELL
To: CITICORP USA, INC., AS COLLATERAL AGENT
Reel/Frame 007453/0241 →
Security Interest
Mar 7, 1995
From: NATIONAL-OILWELL
To: CITICORP USA, INC., AS COLLATERAL AGENT
Reel/Frame 007467/0232 →
Release of Security Interest
Jan 24, 1996
From: NATIONAL-OILWELL
To: CITICORP USA, INC., AS COLLATERAL AGENT
Reel/Frame 007613/0782 →
Patent Security Agreement
Feb 5, 1996
From: NATIONAL-OILWELL, L.P.
To: GENERAL ELECTRIC CAPITAL CORPORATION (AS ADMINISTRATIVE AGENT)
Reel/Frame 007854/0582 →
Change of Name
Sep 23, 1996
From: NATIONAL-OILWELL
To: NATIONAL-OILWELL, L.P.
Reel/Frame 008146/0930 →
Release and Termination of Patent Security Agreement
Nov 14, 1997
From: GENERAL ELECTRIC CAPITAL CORPORATION, AS ADMINSTRATIVE AGENT
To: NATIONAL-OILWELL, L.P.
Reel/Frame 008820/0157 →
Release of Patent Security Interest
Jan 15, 1998
From: GENERAL ELECTRIC CAPITAL CORP.
To: NATIONAL-OILWELL, L.P.
Reel/Frame 008907/0847 →