Patent Assignment
Reel/Frame 003886/0732
Assignment of Assignors Interest.
Recorded: 1981-08-10
Pages: 1
Assignor
CHAPMAN DARWIN E.
Executed: 1979-03-30
Assignee
CIBA-GEIGY AG., A COMPANY OF SWITZERLAND
KLYBECKSTRASSE 141, 4002 BASLE, SWITZERLAND
Covered Property
(1)
Adjustable Current Lamphouse , .
Patent:
4,299,481 →
Application:
06/026,121 →
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.
May 14, 1990
From: CIBA-GEIGY AG
To: ILFORD LIMITED, A CO. OF THE UNITED KINGDOM
Reel/Frame 005319/0223 →