IP Library › Granted Patent US 4,254,065
Granted Patent Utility
US 4,254,065 · App. 06/027,148

Injection molding of contact lenses

Inventor: Donald J. Ratkowski
Patented Case View Patent ↗
Granted: Mar 3, 1981 Filed: Apr 4, 1979
Inventor
Donald J. Ratkowski

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Quick Facts
Patent No.
US 4,254,065
App. No.
06/027,148
Filed
1979-04-04
Granted
1981-03-03
Kind
A