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PORCELAIN PRODUCTS Inc

PORCELAIN

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4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2408990A	Bushing insulator	Expired / Lapsed	1941-07-16	1946-10-08	0	Details
US2215714A	Electrical switch	Expired / Lapsed	1939-01-23	1940-09-24	0	Details
US2197897A	Wiring box	Expired / Lapsed	1938-07-09	1940-04-23	0	Details
US1774874A	Protective device	Expired / Lapsed	1927-11-22	1930-09-02	0	Details