Patent Assignment
Reel/Frame 003994/0534
Assignment of Assignors Interest.
Recorded: 1982-06-01
Pages: 1
Assignor
TOMKA, IVAN
Executed: 1980-08-22
Assignee
CIBA-GEIGY AG, A SWISS COMPANY
KLYBECKSTRASSE 141, 4002 BASLE, SWITZERLAND
Covered Property
(1)
Novel Gelatins, Processes for Their Preparation and Their Use
Patent:
4,352,695 →
Application:
06/184,568 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
May 1, 1984
From: CIBA-GEIGY AG A CORP OF SWITZERLAND
To: H.A. WHITTEN & CO.
Reel/Frame 004252/0573 →
Assignment of Assignors Interest.
Aug 25, 1989
From: H.A. WHITTEN & CO.
To: CIBA-GEIGY AG
Reel/Frame 005184/0184 →
Assignment of Assignors Interest.
Jan 7, 1991
From: CIBA-GEIGY AG
To: ILFORD AG, A CO. OF SWITZERLAND
Reel/Frame 005570/0524 →