Patent Assignment
Reel/Frame 003939/0844
Assignment of Assignors Interest.
Recorded: 1982-01-08
Pages: 1
Assignor
SHELDON, LOREN B.
Executed: 1981-11-23
Assignee
BJ-HUGHES INC., TX A CORP. OF DE
8909 JACKRABBIT ROAD, HOUSTON, TEXAS
Covered Property
(1)
Apparatus for Sensing a Distended Location on a Drill Pipe
Patent:
4,327,261 →
Application:
06/003,035 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Feb 22, 1983
From: BJ-HUGHES INC.,
To: HUGHES TOOL COMPANY, A CORP. OF DEL.
Reel/Frame 004098/0273 →
Assignment of Assignors Interest.
Aug 8, 1988
From: HUGHES TOOL COMPANY
To: BAKER HUGHES INCORPORATED
Reel/Frame 005050/0861 →
Assignment of Assignors Interest.
Aug 18, 1988
From: BAKER HUGHES INCORPORATED
To: HUGHES TOOL COMPANY-USA, A DE CORP.
Reel/Frame 004944/0763 →
Assignment of Assignors Interest.
Jan 17, 1989
From: HUGHES TOOL CONPANY-USA
To: VARCO INTERNATIONAL, INC., A CA. CORP.
Reel/Frame 005013/0843 →