Ambac International Corp
Ambac InteActive Patents
0
Total Holdings
31
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3394368A | Signal switching system and control keyboard suitable for u… | Expired / Lapsed | 1964-04-01 | 1968-07-23 | 0 | Details |
| US3370166A | Object detector and control system employing same | Expired / Lapsed | 1966-02-21 | 1968-02-20 | 0 | Details |
| US3311326A | Force direction indicator and apparatus and method employin… | Expired / Lapsed | 1964-07-17 | 1967-03-28 | 2 | Details |
| US3209176A | Piezoelectric vibration transducer | Expired / Lapsed | 1961-06-16 | 1965-09-28 | 2 | Details |
| US3147407A | Positive action relay control circuit incorporating a block… | Expired / Lapsed | 1958-10-10 | 1964-09-01 | 2 | Details |
| US3135053A | Tracking predicting systems | Expired / Lapsed | 1956-10-16 | 1964-06-02 | 2 | Details |
| US3091737A | Computer synchronizing circuit | Expired / Lapsed | 1960-06-13 | 1963-05-28 | 2 | Details |
| US3083666A | Projectile aiming system | Expired / Lapsed | 1947-01-07 | 1963-04-02 | 2 | Details |
| US3023617A | Navigation apparatus | Expired / Lapsed | 1953-06-01 | 1962-03-06 | 0 | Details |
| US3009134A | Binary signal verification system | Expired / Lapsed | 1957-09-05 | 1961-11-14 | 0 | Details |
| US3002282A | Vehicle position indicator | Expired / Lapsed | 1958-06-18 | 1961-10-03 | 0 | Details |
| US2989730A | Selective calling system | Expired / Lapsed | 1957-05-15 | 1961-06-20 | 0 | Details |
| US2969539A | Proximity warning and collision avoidance system | Expired / Lapsed | 1958-03-28 | 1961-01-24 | 0 | Details |
| US2959958A | Apparatus for obtaining true atmospheric data | Expired / Lapsed | 1954-10-05 | 1960-11-15 | 0 | Details |
| US2879669A | Vertical sensing device | Expired / Lapsed | 1954-07-22 | 1959-03-31 | 0 | Details |
| US2841329A | Signal multiplying device | Expired / Lapsed | 1951-12-12 | 1958-07-01 | 0 | Details |
| US2741732A | Motor control system for automatic machine tools | Expired / Lapsed | 1951-08-02 | 1956-04-10 | 0 | Details |
| US2718789A | Temperature compensation of integrating gyroscopes | Expired / Lapsed | 1954-10-05 | 1955-09-27 | 0 | Details |
| US2441277A | Combined injector nozzle and spark plug | Expired / Lapsed | 1945-10-13 | 1948-05-11 | 0 | Details |
| US2395648A | Automatic fuel mixture control system | Expired / Lapsed | 1940-03-15 | 1946-02-26 | 0 | Details |
| US2150859A | Ventilator attachment for electric ignition apparatus | Expired / Lapsed | 1938-06-08 | 1939-03-14 | 0 | Details |
| US2141141A | Ignition coil | Expired / Lapsed | 1937-12-27 | 1938-12-20 | 0 | Details |
| US2073236A | Composite flue | Expired / Lapsed | 1936-06-03 | 1937-03-09 | 0 | Details |
| US2067495A | Water heater | Expired / Lapsed | 1934-12-29 | 1937-01-12 | 0 | Details |
| US2062253A | Radio coil and switch assembly | Expired / Lapsed | 1936-06-09 | 1936-11-24 | 0 | Details |
| US1989057A | Electric relay | Expired / Lapsed | 1932-09-02 | 1935-01-22 | 0 | Details |
| FR776175A | Combined ignition distribution and fuel distribution device | Expired / Lapsed | 1934-07-20 | 1935-01-18 | 0 | Details |
| US1979315A | Radio apparatus | Expired / Lapsed | 1933-11-28 | 1934-11-06 | 0 | Details |
| US1913575A | Spark plug | Expired / Lapsed | 1932-06-23 | 1933-06-13 | 0 | Details |
| US1894510A | Fuel injection system | Expired / Lapsed | 1928-10-10 | 1933-01-17 | 0 | Details |
| US1773573A | Variable condenser | Expired / Lapsed | 1927-09-01 | 1930-08-19 | 0 | Details |