Patent Assignment
Reel/Frame 005711/0099
Assignment of Assignors Interest.
Recorded: 1991-05-20
Pages: 2
Assignor
ZINK, RUDOLF
Executed: 1989-07-09
Assignee
CIBA-GEIGY CORPORATION A CORPORATION OF NEW YORK
444 SAW MILL RIVER ROAD, ARDSLEY, NEW YORK, 10502
Covered Property
(1)
Chromogenic Phthalides
Patent:
5,039,822 →
Application:
07/395,639 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.