Patent Assignment
Reel/Frame 004860/0880
Assignment of Assignors Interest.
Recorded: 1988-04-29
Pages: 1
Assignors
GRUNIGER, HANS R.
Executed: 1987-07-09
KERN, RUDOLF
Executed: 1987-07-10
RYS, PAUL
Executed: 1987-07-13
Assignee
CIBA-GEIGY AG, A COMPANY OF SWISS
KLYBECKSTRASSE 141, 4002 BASLE, SWITZERLAND
Covered Property
(1)
Process for the Production of Polycrystalline Silicon Coatings by Electrolytic Deposition of Silicon-
Patent:
4,759,830 →
Application:
07/087,635 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Sep 18, 1990
From: CIBA-GEIGY AG, A CORP. OF SWITZERLAND
To: H.A. WHITTEN & CO.
Reel/Frame 005454/0161 →
Assignment of Assignors Interest.
Sep 2, 1992
From: H.A. WHITTEN & CO.
To: CIBA-GEIGY AG
Reel/Frame 006276/0171 →
Assignment of Assignors Interest.
Mar 17, 1993
From: CIBA-GEIGY AG
To: PAUL RYS
Reel/Frame 006462/0472 →