US Light and Heat Corp
US Light aActive Patents
0
Total Holdings
7
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US1447797A | Relief mechanism for storage batteries | Expired / Lapsed | 1918-04-20 | 1923-03-06 | 0 | Details |
| US1380770A | Storage-battery construction | Expired / Lapsed | 1919-09-20 | 1921-06-07 | 0 | Details |
| US1363302A | Reversible engine-starting system | Expired / Lapsed | 1916-05-24 | 1920-12-28 | 0 | Details |
| US1257669A | Insulated electric conductor. | Expired / Lapsed | 1915-05-27 | 1918-02-26 | 0 | Details |
| US1250718A | Dynamo-electric machine. | Expired / Lapsed | 1912-12-26 | 1917-12-18 | 0 | Details |
| US1232456A | Relay. | Expired / Lapsed | 1908-12-26 | 1917-07-03 | 0 | Details |
| US1182258A | Dash-pot. | Expired / Lapsed | 1915-04-17 | 1916-05-09 | 0 | Details |