IP Library › Granted Patent US 4,955,580
Granted Patent Utility
US 4,955,580 · App. 07/107,593

Contact lens mold

Inventors: William E. Seden, David Shepherd, Peter Henderson
Patented Case View Patent ↗
Granted: Sep 11, 1990 Filed: Nov 4, 1987
Inventors
William E. Seden
David Shepherd
Peter Henderson
Assignee (at issue)
CooperVision Optics, Ltd.

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Quick Facts
Patent No.
US 4,955,580
App. No.
07/107,593
Filed
1987-11-04
Granted
1990-09-11
Kind
A