IP Library › Granted Patent US 4,227,673
Granted Patent Utility
US 4,227,673 · App. 06/065,661

Gasket for casting lenses

Inventors: Bertram R. Goodwin, Bradford Canterbury
Patented Case View Patent ↗
Granted: Oct 14, 1980 Filed: Aug 10, 1979
Inventors
Bertram R. Goodwin
Bradford Canterbury
Assignee (at issue)
American Optical Corporation

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Quick Facts
Patent No.
US 4,227,673
App. No.
06/065,661
Filed
1979-08-10
Granted
1980-10-14
Kind
A