SCOPHONY Corp OF AMERICA
SCOPHONY CActive Patents
0
Total Holdings
8
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2568303A | Apparatus for drawing wire | Expired / Lapsed | 1944-10-04 | 1951-09-18 | 0 | Details |
| US2452211A | Machine for mechanically working materials | Expired / Lapsed | 1944-10-17 | 1948-10-26 | 0 | Details |
| US2420198A | Two-way television communication unit | Expired / Lapsed | 1944-06-20 | 1947-05-06 | 0 | Details |
| US2335265A | Phase discriminator | Expired / Lapsed | 1942-07-22 | 1943-11-30 | 0 | Details |
| US2330172A | Color television | Expired / Lapsed | 1939-04-08 | 1943-09-21 | 0 | Details |
| US2330171A | Television receiving system | Expired / Lapsed | 1939-01-27 | 1943-09-21 | 0 | Details |
| US2320380A | Television system and scanner therefor | Expired / Lapsed | 1940-07-10 | 1943-06-01 | 0 | Details |
| US2313286A | Television receiver | Expired / Lapsed | 1939-04-28 | 1943-03-09 | 0 | Details |