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ARMA ENGINEERING Co Inc

ARMA ENGIN

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2409970A	Electrical position control system	Expired / Lapsed	1936-05-09	1946-10-22	0	Details
US2148718A	Inverter for variable electrical current	Expired / Lapsed	1938-11-04	1939-02-28	0	Details
US2148731A	Speed control system	Expired / Lapsed	1937-03-18	1939-02-28	0	Details
US2061999A	Antifriction bearing	Expired / Lapsed	1935-04-16	1936-11-24	0	Details