Doherty Research Co
Doherty ReActive Patents
0
Total Holdings
6
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2073247A | Electric flash producing method and apparatus | Expired / Lapsed | 1934-02-05 | 1937-03-09 | 0 | Details |
| US2043484A | Variable frequency stroboscope | Expired / Lapsed | 1934-06-15 | 1936-06-09 | 0 | Details |
| US1769675A | Fuel injection and atomization by stream impact | Expired / Lapsed | 1927-04-11 | 1930-07-01 | 0 | Details |
| US1761295A | Fluid meter | Expired / Lapsed | 1919-08-29 | 1930-06-03 | 0 | Details |
| US1699676A | Fluid-controlling mechanism | Expired / Lapsed | 1920-11-19 | 1929-01-22 | 0 | Details |
| US1593601A | Fluid-controlling mechanism | Expired / Lapsed | 1921-03-07 | 1926-07-27 | 0 | Details |