International Telephone and Telegraph Corp
InternatioActive Patents
0
Total Holdings
35
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US4448478A | Fiber optic connector | Expired / Lapsed | 1981-10-19 | 1984-05-15 | 6 | Details |
| USD259043S | Security telephone | Expired / Lapsed | 1978-06-14 | 1981-04-28 | 1 | Details |
| US4211468A | Method and apparatus to provide a secure optical communicat… | Expired / Lapsed | 1975-10-31 | 1980-07-08 | 17 | Details |
| 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 |
| US4184364A | Viscosimeter | Expired / Lapsed | 1978-09-22 | 1980-01-22 | 24 | Details |
| US4184154A | Range and angle determining Doppler radar | Expired / Lapsed | 1976-06-21 | 1980-01-15 | 19 | Details |
| US4181402A | Single optical fiber connector | Expired / Lapsed | 1978-09-22 | 1980-01-01 | 12 | Details |
| US4181391A | Polarized electrical connector | Expired / Lapsed | 1978-08-09 | 1980-01-01 | 2 | 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 |
| US4084875A | Electrical connector | Expired / Lapsed | 1975-01-10 | 1978-04-18 | 7 | Details |
| US4056415A | Method for providing electrical isolating material in selec… | Expired / Lapsed | 1976-07-15 | 1977-11-01 | 42 | Details |
| US4051438A | Co-channel multiple signal broadcasting system | Expired / Lapsed | 1975-09-11 | 1977-09-27 | 10 | 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 |
| US4020330A | Densitometer | Expired / Lapsed | 1976-05-03 | 1977-04-26 | 5 | Details |
| US4015812A | Seat adjustment mechanism | Expired / Lapsed | 1975-10-28 | 1977-04-05 | 15 | Details |
| US4015115A | Picture phone | Expired / Lapsed | 1975-12-09 | 1977-03-29 | 44 | Details |
| US4014024A | Non-rotating antenna | Expired / Lapsed | 1973-06-15 | 1977-03-22 | 11 | Details |
| US3997898A | Channeling method and apparatus | Expired / Lapsed | 1975-05-05 | 1976-12-14 | 12 | Details |
| US3995935A | Optical coupler | Expired / Lapsed | 1975-04-28 | 1976-12-07 | 16 | 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 |
| US3984174A | Fiber optic connector with transparent cable sleeve | Expired / Lapsed | 1975-04-28 | 1976-10-05 | 13 | 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 |
| US3979610A | Power regulator circuit | Expired / Lapsed | 1975-01-27 | 1976-09-07 | 5 | Details |
| US3977749A | Electronic packaging assembly | Expired / Lapsed | 1975-01-29 | 1976-08-31 | 18 | Details |
| US3964053A | Aircraft guiding system | Expired / Lapsed | 1957-03-15 | 1976-06-15 | 10 | Details |
| US3213391A | Photo-electrical compandor | Expired / Lapsed | 1962-04-11 | 1965-10-19 | 1 | Details |
| US2997651A | Pulse amplitude measuring circuit | Expired / Lapsed | 1958-01-10 | 1961-08-22 | 0 | Details |
| US2856539A | Apparatus and method for detecting overheated journal boxes | Expired / Lapsed | 1954-01-25 | 1958-10-14 | 0 | Details |