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AMERICAN TRANSFORMER Co

AMERICAN T

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2142188A	Protective bushing for electrical apparatus	Expired / Lapsed	1936-12-02	1939-01-03	0	Details
US2114143A	Voltage regulator	Expired / Lapsed	1935-12-19	1938-04-12	0	Details
US2085255A	Voltage regulator	Expired / Lapsed	1935-12-26	1937-06-29	0	Details
US1957681A	Apparatus for measuring fluidflow	Expired / Lapsed	1931-04-01	1934-05-08	0	Details