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Cincinnati Grinders Inc

Cincinnati

Active Patents

0

Total Holdings

5

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2271817A	Micrometer mechanism	Expired / Lapsed	1938-09-09	1942-02-03	0	Details
US2254002A	Grinding machine	Expired / Lapsed	1939-06-02	1941-08-26	0	Details
US2083759A	Mechanism for sizing	Expired / Lapsed	1931-01-16	1937-06-15	0	Details
US1969063A	Grinding machine	Expired / Lapsed	1928-11-22	1934-08-07	0	Details
US1938762A	Grinding machine	Expired / Lapsed	1930-01-04	1933-12-12	0	Details