IP Library › Granted Patent US 5,120,121
Granted Patent Utility
US 5,120,121 · App. 07/329,431

Colored lens

Inventors: David Lionel Rawlings, Qi-Bin Bao
Patented Case View Patent ↗
Granted: Jun 9, 1992 Filed: Mar 28, 1989
Inventors
David Lionel Rawlings
Qi-Bin Bao
Assignee (at issue)
Allergan, Inc.

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Quick Facts
Patent No.
US 5,120,121
App. No.
07/329,431
Filed
1989-03-28
Granted
1992-06-09
Kind
A