Patent Assignment
Reel/Frame 003807/0188
Assignment of Assignors Interest.
Recorded: 1980-10-20
Pages: 1
Assignors
LENOIR, JOHN
Executed: 1979-03-16
MARTHALER, MAX
Executed: 1979-03-16
KRAMP EKKEHARD
Executed: 1979-03-16
Assignee
CIBA-GEIGY AG, A COMPANY OF THE SWISS CONFEDERATION
KLYBECKSTRASSE 141, 4002 BASLE, SWITZERLAND
Covered Property
(1)
Process for the Prevention of Darkening and the Formation of a Sediment in Photographic Developer Solutions
Patent:
4,254,215 →
Application:
06/024,287 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Apr 6, 1983
From: CIBA-GEIGY AG (A/K/A CIBA-GEIGY LIMITED)
To: H.A. WHITTEN & CO, A PARTNERSHIP
Reel/Frame 004117/0903 →
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 →