International Telephone and Telegraph Corp
InternatioActive Patents
0
Total Holdings
15
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US4202218A | Bridge circuit | Expired / Lapsed | 1978-06-28 | 1980-05-13 | 21 | Details |
| US4185886A | Fiber optic connector | Expired / Lapsed | 1978-10-26 | 1980-01-29 | 13 | Details |
| US4179695A | System for identification of aircraft on airport surface pa… | Expired / Lapsed | 1978-10-02 | 1979-12-18 | 11 | Details |
| US4164628A | Processor for multiple, continuous, spread spectrum signals | Expired / Lapsed | 1978-03-17 | 1979-08-14 | 5 | Details |
| US4156554A | Coaxial cable assembly | Expired / Lapsed | 1978-04-07 | 1979-05-29 | 7 | Details |
| US4138597A | PCM time slot exchange | Expired / Lapsed | 1977-09-06 | 1979-02-06 | 28 | Details |
| US4042925A | Pseudo-random code (PRC) surveilance radar | Expired / Lapsed | 1975-11-24 | 1977-08-16 | 17 | Details |
| US4037783A | Reduced outside air capability for unit ventilators | Expired / Lapsed | 1976-02-19 | 1977-07-26 | 31 | Details |
| US4015115A | Picture phone | Expired / Lapsed | 1975-12-09 | 1977-03-29 | 44 | Details |
| US3997898A | Channeling method and apparatus | Expired / Lapsed | 1975-05-05 | 1976-12-14 | 12 | Details |
| US3992939A | Apparatus for producing a mass flow rate signal with or wit… | Expired / Lapsed | 1976-02-11 | 1976-11-23 | 14 | Details |
| US3989942A | Retro-reflecting laser responser and data modulator | Expired / Lapsed | 1974-12-13 | 1976-11-02 | 6 | Details |
| US3981440A | Digital signal detector | Expired / Lapsed | 1974-09-25 | 1976-09-21 | 7 | Details |
| US3978849A | Pulse rate indicator | Expired / Lapsed | 1975-04-17 | 1976-09-07 | 6 | Details |
| US2856539A | Apparatus and method for detecting overheated journal boxes | Expired / Lapsed | 1954-01-25 | 1958-10-14 | 0 | Details |