RUBEN RECTIFIER Corp
RUBEN RECTActive Patents
0
Total Holdings
9
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2032439A | Electric current rectifier | Expired / Lapsed | 1933-04-13 | 1936-03-03 | 0 | Details |
| US1989463A | Electric current rectifier | Expired / Lapsed | 1933-11-09 | 1935-01-29 | 0 | Details |
| US1908188A | Electric current rectifier | Expired / Lapsed | 1927-10-28 | 1933-05-09 | 0 | Details |
| US1865213A | Electric current rectifier | Expired / Lapsed | 1924-12-10 | 1932-06-28 | 0 | Details |
| US1826955A | Electric current rectifier | Expired / Lapsed | 1927-03-30 | 1931-10-13 | 0 | Details |
| US1751361A | Electric-current rectifier | Expired / Lapsed | 1926-06-01 | 1930-03-18 | 0 | Details |
| US1751360A | Electric-current rectifier | Expired / Lapsed | 1926-04-29 | 1930-03-18 | 0 | Details |
| US1678826A | Electric-current rectifier | Expired / Lapsed | 1927-04-26 | 1928-07-31 | 0 | Details |
| US1649743A | Electric-current rectifier | Expired / Lapsed | 1925-01-02 | 1927-11-15 | 0 | Details |