Patent Assignment
Reel/Frame 004231/0416
Assignment of Assignors Interest.
Recorded: 1984-02-16
Pages: 2
Assignors
HOLLAND, RONALD A.
Executed: 1984-02-02
PETRIE, HAROLD L.
Executed: 1984-02-02
BRENNAN, JOHN R.
Executed: 1984-02-02
CHRIST, FREDERICK C.
Executed: 1984-02-02
Assignee
ARMCO INC., AN OH CORP.
703 CURTIS ST., MIDDLETOWN, OHIO, 45043
Covered Property
(1)
Oil Well Standing Valve
Patent:
4,519,457 →
Application:
06/580,684 →
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →
Change of Name
Sep 23, 1996
From: NATIONAL-OILWELL
To: NATIONAL-OILWELL, L.P.
Reel/Frame 008146/0930 →
Patent Security Agreement
Nov 12, 1996
From: NATIONAL-OILWELL, L.P.
To: GENERAL ELECTRIC CAPITAL CORPORATION (AS ADMINISTRATIVE AGENT)
Reel/Frame 008215/0485 →
Release and Termination of Patent Security Agreement
Nov 14, 1997
From: GENERAL ELECTRIC CAPITAL CORPORATION, AS ADMINISTRATIVE AGENT
To: NATIONAL-OILWELL, L.P.
Reel/Frame 008820/0098 →