AMERICAN TRANSFORMER Co
AMERICAN TActive Patents
0
Total Holdings
7
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2380300A | Process of fabricating transformers | Expired / Lapsed | 1942-01-01 | 1945-07-10 | 0 | Details |
| US2207248A | Electromagnetic controlling means | Expired / Lapsed | 1938-06-01 | 1940-07-09 | 0 | Details |
| 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 |
| US1579955A | Transformer | Expired / Lapsed | 1923-12-17 | 1926-04-06 | 0 | Details |