Patent Assignment
Reel/Frame 003836/0738
Assignment of Assignors Interest.
Recorded: 1980-10-23
Pages: 2
Assignors
FREEBERSYSER, STEVEN R.
Executed: 1980-10-17
HAAG THOMAS E.
Executed: 1980-10-17
LONCRINI DONALD F.
Executed: 1980-10-17
Assignee
MALLINCKRODT, INC., A CORP. OF MO
ST. LOUIS,, MISSOURI
Covered Property
(1)
Stable Emulsions of P-Hydroxybenzoic Acid Esters and Method of Preparation
Patent:
4,357,258 →
Application:
06/199,718 →
Related Assignments
(3)
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.
Jun 11, 1991
From: MALLINCKRODT SPECIALTY CHEMICALS COMPANY
To: SUTTON LABORATORIES, INC.
Reel/Frame 005736/0292 →