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PRESS WIRELESS Inc

PRESS WIRE
Active Patents
0
Total Holdings
12

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
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
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
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