Patent Explorer
Browse, filter, and analyze 35 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2231174A | Control system | Wired Radio Inc | Expired / Lapsed | 1939-10-31 | 1941-02-11 | 1959-10-31 | 0.0 yrs | 0 | |
| US2229044A | Radio receiving method and system | Wired Radio Inc | Expired / Lapsed | 1939-10-11 | 1941-01-21 | 1959-10-11 | 0.0 yrs | 0 | |
| US2208922A | Wired radio television distribution system | Wired Radio Inc | Expired / Lapsed | 1938-03-15 | 1940-07-23 | 1958-03-15 | 0.0 yrs | 0 | |
| US2188508A | Multiple distribution system | Wired Radio Inc | Expired / Lapsed | 1937-09-15 | 1940-01-30 | 1957-09-15 | 0.0 yrs | 0 | |
| US2188499A | Staggered frequency signal distribution | Wired Radio Inc | Expired / Lapsed | 1937-12-21 | 1940-01-30 | 1957-12-21 | 0.0 yrs | 0 | |
| US2179612A | Wired radio service system | Wired Radio Inc | Expired / Lapsed | 1937-08-28 | 1939-11-14 | 1957-08-28 | 0.0 yrs | 0 | |
| US2151464A | Restricted frequency transmission | Wired Radio Inc | Expired / Lapsed | 1937-07-23 | 1939-03-21 | 1957-07-23 | 0.0 yrs | 0 | |
| US2096881A | Electronic synchronizing system | Wired Radio Inc | Expired / Lapsed | 1936-06-09 | 1937-10-26 | 1956-06-09 | 0.0 yrs | 0 | |
| US1979463A | Television system | Wired Radio Inc | Expired / Lapsed | 1932-05-11 | 1934-11-06 | 1952-05-11 | 0.0 yrs | 0 | |
| US1978456A | Binaural address system | Wired Radio Inc | Expired / Lapsed | 1932-05-04 | 1934-10-30 | 1952-05-04 | 0.0 yrs | 0 | |
| US1951446A | Control system | Wired Radio Inc | Expired / Lapsed | 1929-06-05 | 1934-03-20 | 1949-06-05 | 0.0 yrs | 0 | |
| US1950011A | Sound reproducing system | Wired Radio Inc | Expired / Lapsed | 1931-03-12 | 1934-03-06 | 1951-03-12 | 0.0 yrs | 0 | |
| US1949590A | Control system | Wired Radio Inc | Expired / Lapsed | 1932-07-27 | 1934-03-06 | 1952-07-27 | 0.0 yrs | 0 | |
| US1933976A | Integrating relay circuit | Wired Radio Inc | Expired / Lapsed | 1928-12-22 | 1933-11-07 | 1948-12-22 | 0.0 yrs | 0 | |
| US1929067A | Frequency multiplier | Wired Radio Inc | Expired / Lapsed | 1930-11-22 | 1933-10-03 | 1950-11-22 | 0.0 yrs | 0 | |
| US1912213A | Stress measuring | Wired Radio Inc | Expired / Lapsed | 1928-04-12 | 1933-05-30 | 1948-04-12 | 0.0 yrs | 0 | |
| US1908249A | Frequency multiplication system | Wired Radio Inc | Expired / Lapsed | 1926-10-06 | 1933-05-09 | 1946-10-06 | 0.0 yrs | 0 | |
| US1904140A | Frequency control apparatus | Wired Radio Inc | Expired / Lapsed | 1930-05-23 | 1933-04-18 | 1950-05-23 | 0.0 yrs | 0 | |
| US1904771A | Constant frequency control apparatus | Wired Radio Inc | Expired / Lapsed | 1930-05-23 | 1933-04-18 | 1950-05-23 | 0.0 yrs | 0 | |
| US1898531A | Temperature control system | Wired Radio Inc | Expired / Lapsed | 1929-03-12 | 1933-02-21 | 1949-03-12 | 0.0 yrs | 0 |
Showing 1 to 20 of 35 patents
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