Patent Assignment
Reel/Frame 004809/0132
Assignment of Assignors Interest.
Recorded: 1987-12-23
Pages: 1
Assignor
DURDA, PAUL J.
Executed: 1987-10-16
Assignee
Covered Property
(1)
Method for Detecting Carcinomatous and Precarcinomatous Colo-Rectal Disease
Patent:
4,912,031 →
Application:
07/111,667 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest
Apr 25, 1991
From: APPLIED BIOTECHNOLOGY, INC., A CORP. OF DE
To: E. I. DU PONT DE NEMOURS AND COMPANY
Reel/Frame 005681/0470 →
Assignment of Assignors Interest.
Mar 9, 1992
From: E.I. DU PONT DE NEMOURS AND COMPANY A CORP. OF DELAWARE
To: APPLIED BIOTECHNOLOGY, INC. A CORP. OF DELAWARE
Reel/Frame 006034/0874 →
Assignment of Assignors Interest.
Mar 26, 1992
From: APPLIED BIOTECHNOLOGY, INC. A CORP. OF DELAWARE
To: ONCOGENE SCIENCE, INC. A CORP. OF DELAWARE
Reel/Frame 006054/0923 →