Patent Assignment
Reel/Frame 004549/0488
Assignment of Assignors Interest.
Recorded: 1986-05-16
Pages: 1
Assignor
HAMILTON, WILLIAM R.
Executed: 1986-04-15
Assignee
HUGHES TOOL COMPANY
P.O. 2539, A CORP. OF DE., HOUSTON, TEXAS, 77001
Covered Property
(1)
Lifting Head
Patent:
4,647,099 →
Application:
06/826,032 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
May 16, 1986
From: BERRY, JOE R.
To: HUGHES TOOL COMPANY
Reel/Frame 004549/0489 →
Assignment of Assignors Interest.
May 16, 1986
From: BLACK, ARCHIE L.
To: HUGHES TOOL COMPANY
Reel/Frame 004549/0490 →
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 →