IP Library Assignment 005336/0049
Patent Assignment
Reel/Frame 005336/0049

Assignment of Assignors Interest.

Recorded: 1990-06-11 Pages: 2
Assignors
HUNG, WILLIAM M.
Executed: 1989-05-31
SU, KAI C.
Executed: 1989-05-31
Assignee
CIBA-GEIGY CORPORATION
444 SAW MILL RIVER, A NY CORP., ROAD, ARDSLEY, NEW YORK
Covered Property (1)
Tinted Contact Lens and Method of Tinting with Reactive Dye and Quaternary Amimonium Salt
Patent: 4,954,132 →
Application: 07/323,355 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Nov 6, 2000
From: NOVARTIS CORPORATION (FORMERLY CIBA-GEIGY CORPORATION)
To: CIBA VISION CORPORATION
Reel/Frame 011077/0934 →