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SCOPHONY Corp OF AMERICA

SCOPHONY C
Active Patents
0
Total Holdings
10

Patent Holdings

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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
US2472988A Apparatus for reproducing electric signals, particularly te… Expired / Lapsed 1944-10-28 1949-06-14 0 Details
US2453595A Apparatus for dispensing liquid fuel Expired / Lapsed 1943-08-27 1948-11-09 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