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Stark Ceramics Inc

Stark Cera

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2919657A	Rail lock for transfer cars	Expired / Lapsed	1957-04-17	1960-01-05	0	Details
US2907209A	Device for observing kiln temperatures	Expired / Lapsed	1957-05-15	1959-10-06	0	Details
US2786772A	Method of making a cellular clay aggregate	Expired / Lapsed	1953-01-19	1957-03-26	2	Details
US2637890A	Method of making metallic and clay articles	Expired / Lapsed	1950-09-11	1953-05-12	0	Details