Epsco Inc
Epsco IncActive Patents
0
Total Holdings
19
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US4393448A | Navigational plotting system | Expired / Lapsed | 1980-02-15 | 1983-07-12 | 20 | Details |
| US3585308A | Multiplex converter system | Expired / Lapsed | 1968-12-19 | 1971-06-15 | 10 | Details |
| US3215860A | Clock pulse controlled sine wave synthesizer | Expired / Lapsed | 1962-11-23 | 1965-11-02 | 2 | Details |
| US3152319A | Signal switching system | Expired / Lapsed | 1958-10-06 | 1964-10-06 | 2 | Details |
| US3105231A | Data signal processing apparatus | Expired / Lapsed | 1958-11-03 | 1963-09-24 | 2 | Details |
| US3068461A | Frequency converting system and method | Expired / Lapsed | 1956-08-07 | 1962-12-11 | 0 | Details |
| US3063635A | System for measuring the weight of dynamic loads | Expired / Lapsed | 1959-11-02 | 1962-11-13 | 0 | Details |
| US3054910A | Voltage comparator indicating two input signals equal emplo… | Expired / Lapsed | 1959-05-27 | 1962-09-18 | 0 | Details |
| US3038130A | Frequency sensitive apparatus | Expired / Lapsed | 1958-04-07 | 1962-06-05 | 0 | Details |
| US3034719A | Signal translating system | Expired / Lapsed | 1958-02-12 | 1962-05-15 | 0 | Details |
| US2997704A | Signal conversion apparatus | Expired / Lapsed | 1958-02-24 | 1961-08-22 | 0 | Details |
| US2989741A | Information translating apparatus and method | Expired / Lapsed | 1955-07-22 | 1961-06-20 | 0 | Details |
| US2976527A | Digital attenuator | Expired / Lapsed | 1958-07-17 | 1961-03-21 | 0 | Details |
| US2951986A | Signal counting apparatus | Expired / Lapsed | 1956-10-09 | 1960-09-06 | 0 | Details |
| US2943313A | Electromagnetic indicator | Expired / Lapsed | 1957-02-25 | 1960-06-28 | 0 | Details |
| US2927271A | Frequency meter | Expired / Lapsed | 1955-10-26 | 1960-03-01 | 0 | Details |
| US2925555A | Frequency meter device | Expired / Lapsed | 1956-11-02 | 1960-02-16 | 0 | Details |
| US2908900A | Indicating device | Expired / Lapsed | 1956-05-14 | 1959-10-13 | 0 | Details |
| US2905895A | Frequency meter circuit | Expired / Lapsed | 1956-11-02 | 1959-09-22 | 0 | Details |