Patent Assignment
Reel/Frame 003991/0794
Assignment of Assignors Interest.
Recorded: 1982-05-21
Pages: 1
Assignor
DUTTON, EDMUND L.
Executed: 1981-11-02
Assignee
MALLINCKRODT, INCORPORATED
A CORP. OF MO, ST. LOUIS, MISSOURI, 63134
Covered Property
(1)
Interactive Dual Probe Temperature Control System
Patent:
4,429,829 →
Application:
06/323,476 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Feb 14, 1986
From: MALCO, INC.
To: MALLINCKRODT, INC.
Reel/Frame 004572/0403 →
Assignment of Assignors Interest.
Feb 14, 1986
From: MALLINCKRODT, INC.
To: MALCO, INC., ST. LOUIS, MISSOURI A CORP. OF DE.
Reel/Frame 004572/0411 →
Assignment of Assignors Interest.
Nov 18, 1987
From: MALLINCKRODT, INC.
To: FORMA SCIENTIFIC, INC., MARIETTA, OHIO, A CORP.
Reel/Frame 004788/0359 →
Assignment of Assignors Interest.
Mar 11, 1991
From: MALLINCKRODT, INC., A CORP. OF DE
To: MALLINCKRODT MEDICAL, INC., A DE CORP.
Reel/Frame 005635/0379 →