International Standard Electric Corp
InternatioActive Patents
0
Total Holdings
27
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| GB1122924A | Circuit arrangement for a centrally controlled exchange, se… | Expired / Lapsed | 1966-09-08 | — | 0 | Details |
| US3891807A | Electronic switching module | Expired / Lapsed | 1973-05-09 | 1975-06-24 | 5 | Details |
| US3825932A | Waveguide antenna | Expired / Lapsed | 1973-05-16 | 1974-07-23 | 4 | Details |
| US3567865A | Cross point switching network in a telecommunication system | Expired / Lapsed | 1968-01-18 | 1971-03-02 | 18 | Details |
| US3395389A | Apparatus to indicate faults of components in self-correcti… | Expired / Lapsed | 1963-08-06 | 1968-07-30 | 2 | Details |
| US3336443A | Pilot network selection systems | Expired / Lapsed | 1964-02-18 | 1967-08-15 | 2 | Details |
| US3226482A | Selective transmission of priority coded message signals | Expired / Lapsed | 1961-09-21 | 1965-12-28 | 2 | Details |
| US3181123A | Data processing systems | Expired / Lapsed | 1959-02-05 | 1965-04-27 | 2 | Details |
| US3181121A | Electronic programme-control | Expired / Lapsed | 1958-11-25 | 1965-04-27 | 2 | Details |
| US2825890A | Electrical information storage equipment | Expired / Lapsed | 1953-08-03 | 1958-03-04 | 0 | Details |
| US2723302A | Mounting plate insulators and assemblies | Expired / Lapsed | 1951-08-20 | 1955-11-08 | 0 | Details |
| US2713132A | Electric rectifying devices employing semiconductors | Expired / Lapsed | 1953-10-07 | 1955-07-12 | 0 | Details |
| US2607528A | Electrical measuring circuits | Expired / Lapsed | 1947-01-02 | 1952-08-19 | 0 | Details |
| US2576099A | Electrical translator of finary code to decimal code | Expired / Lapsed | 1947-10-29 | 1951-11-27 | 0 | Details |
| US2570220A | Pulse code modulation system | Expired / Lapsed | 1949-02-10 | 1951-10-09 | 0 | Details |
| US2556200A | Electrical translation system | Expired / Lapsed | 1948-02-26 | 1951-06-12 | 0 | Details |
| US2498695A | Telegraph receiver | Expired / Lapsed | 1947-04-25 | 1950-02-28 | 0 | Details |
| US2489325A | Electrical storage of information | Expired / Lapsed | 1947-10-25 | 1949-11-29 | 0 | Details |
| US2431344A | Determining distance by electromagnetic waves | Expired / Lapsed | 1944-02-22 | 1947-11-25 | 0 | Details |
| US2312919A | Modulation system for velocity modulation tubes | Expired / Lapsed | 1940-09-19 | 1943-03-02 | 0 | Details |
| US2283999A | Calculating equipment | Expired / Lapsed | 1939-10-27 | 1942-05-26 | 0 | Details |
| US2272607A | Navigation system and apparatus | Expired / Lapsed | 1939-11-02 | 1942-02-10 | 0 | Details |
| US2272070A | Electric signaling system | Expired / Lapsed | 1939-11-22 | 1942-02-03 | 0 | Details |
| US2266410A | Automatic radio-guiding system for vehicles | Expired / Lapsed | 1939-03-11 | 1941-12-16 | 0 | Details |
| US2223082A | High frequency transmission system | Expired / Lapsed | 1937-05-13 | 1940-11-26 | 0 | Details |
| US2210651A | Radio beacon system | Expired / Lapsed | 1937-04-03 | 1940-08-06 | 0 | Details |
| US2191993A | Telephone hand-set with combined transmitter and dial | Expired / Lapsed | 1937-04-28 | 1940-02-27 | 0 | Details |