PRESS WIRELESS Inc
PRESS WIREActive Patents
0
Total Holdings
17
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2477963A | Frequency discriminator for carrier shift signaling systems… | Expired / Lapsed | 1946-02-06 | 1949-08-02 | 0 | Details |
| US2443434A | Automatic signal bias control means and apparatus | Expired / Lapsed | 1944-05-23 | 1948-06-15 | 0 | Details |
| US2421054A | Carrier-shift signal control circuits | Expired / Lapsed | 1945-06-15 | 1947-05-27 | 0 | Details |
| US2417543A | Tuning indicator for frequency shift carrier telegraph syst… | Expired / Lapsed | 1946-01-05 | 1947-03-18 | 0 | Details |
| US2399586A | Balanced modulator system | Expired / Lapsed | 1943-09-11 | 1946-04-30 | 0 | Details |
| US2397913A | Multiplex radio system of the carrier frequency shift type | Expired / Lapsed | 1944-07-19 | 1946-04-09 | 0 | Details |
| US2398054A | Modulating method and apparatus | Expired / Lapsed | 1942-03-13 | 1946-04-09 | 0 | Details |
| US2378013A | Synthetic modulator system | Expired / Lapsed | 1943-09-18 | 1945-06-12 | 0 | Details |
| US2372344A | Signal transmission system | Expired / Lapsed | 1943-09-22 | 1945-03-27 | 0 | Details |
| US2356361A | Facsimile transmission system and the like | Expired / Lapsed | 1941-12-30 | 1944-08-22 | 0 | Details |
| US2319898A | Telephoto method and apparatus | Expired / Lapsed | 1941-08-27 | 1943-05-25 | 0 | Details |
| US2282541A | Direction and position finder | Expired / Lapsed | 1940-12-11 | 1942-05-12 | 0 | Details |
| US2273776A | Code translating machine and mechanism | Expired / Lapsed | 1940-07-03 | 1942-02-17 | 0 | Details |
| US2209720A | Telefacsimile scanner | Expired / Lapsed | 1938-06-14 | 1940-07-30 | 0 | Details |
| US2209719A | Telefacsimile method and apparatus | Expired / Lapsed | 1938-03-12 | 1940-07-30 | 0 | Details |
| US2207620A | Wave signaling method and apparatus | Expired / Lapsed | 1939-07-01 | 1940-07-09 | 0 | Details |
| US2199066A | Electro-optical method and apparatus | Expired / Lapsed | 1939-02-21 | 1940-04-30 | 0 | Details |