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Univis Lens Co

Univis Len

Active Patents

0

Total Holdings

5

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2394941A	Molding apparatus	Expired / Lapsed	1943-07-03	1946-02-12	0	Details
US2373201A	Automatic press system for forming resinous disks	Expired / Lapsed	1941-02-24	1945-04-10	0	Details
US2342378A	Method of molding	Expired / Lapsed	1940-08-27	1944-02-22	0	Details
US2304663A	Method for preheating lens making materials	Expired / Lapsed	1940-09-05	1942-12-08	0	Details
US2289524A	Mold for shaping sheets of plastic material	Expired / Lapsed	1941-02-24	1942-07-14	0	Details