IP Library › Assignment 003914/0512
Patent Assignment
Reel/Frame 003914/0512

Assignment of Assignors Interest.

Recorded: 1981-10-05 Pages: 1
Assignors
STEIGER, ROLF
Executed: 1980-06-27
REBER, JEAN F.
Executed: 1980-06-27
Assignee
CIBA-GEIGY AG, A COMPANY OF SWITZERLAND
KLYBECKSTRASSE 141, 4002 BASLE, SWITZERLAND
Covered Property (1)
Novel Sensitisers and Their Use in Direct-Positive Photographic Materials
Patent: 4,311,786 →
Application: 06/167,551 →
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 →