Patent Assignment
Reel/Frame 004855/0284
Assignment of Assignors Interest.
Recorded: 1988-03-03
Pages: 1
Assignor
LYNCH, JAMES E.
Executed: 1988-02-10
Assignee
NATIONAL-OILWELL A GENERAL PARTNERSHIP OF DE.
950 CORBINDALE, KATY FREEWAY, TEXAS, 77210
Covered Property
(1)
Support System for a Top Driven Drilling Unit
Patent:
4,809,792 →
Application:
07/163,584 →
Related Assignments
(8)
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 →
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 →