IP Library › Assignment 003897/0839
Patent Assignment
Reel/Frame 003897/0839

Assignment of Assignors Interest.

Recorded: 1981-08-25 Pages: 1
Assignors
MARTHALER, MAX
Executed: 1980-01-21
JAN, GERALD
Executed: 1980-01-21
Assignee
CIBA-GEIGY AG
KLYBECKSTRASSE 141, A COMPANY OF SWIZERLAND, 4002 BASLE, SWITZERLAND
Covered Property (1)
Method for Processing Silver Dye-Bleach Materials
Patent: 4,304,846 →
Application: 06/118,245 →
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 →