Nortel Networks Ltd
Nortel NetActive Patents
0
Total Holdings
28
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| GB1447469A | Optical fibre connectors | Expired / Lapsed | 1975-03-14 | — | 0 | Details |
| US5148548A | Method of monitoring cellular radio channels to avoid adjac… | Expired / Lapsed | 1989-12-19 | 1992-09-15 | 6 | Details |
| US4847665A | Monolithic integration of optoelectronic and electronic dev… | Expired / Lapsed | 1988-03-31 | 1989-07-11 | 23 | Details |
| US4680583A | Terminal address assignment in a broadcast transmission sys… | Expired / Lapsed | 1985-02-01 | 1987-07-14 | 15 | Details |
| US4651154A | Digital NAVSTAR receiver | Expired / Lapsed | 1985-02-27 | 1987-03-17 | 6 | Details |
| US4515419A | Electronic instrument with stand doubling as console cover | Expired / Lapsed | 1982-06-22 | 1985-05-07 | 4 | Details |
| US4433386A | Surface relief measuring equipment | Expired / Lapsed | 1980-12-08 | 1984-02-21 | 10 | Details |
| US4405410A | Masking of elongate three dimensional objects for the expos… | Expired / Lapsed | 1982-01-15 | 1983-09-20 | 8 | Details |
| US4123625A | Digital regenerator having improving noise immunity | Expired / Lapsed | 1977-11-03 | 1978-10-31 | 19 | Details |
| US4040120A | Electrostatic protection for a telecommunications terminal … | Expired / Lapsed | 1976-06-29 | 1977-08-02 | 11 | Details |
| US4029916A | Multi-contact push-button switch and plural embodiment for … | Expired / Lapsed | 1975-04-18 | 1977-06-14 | 7 | Details |
| US3946467A | Clamp for an optical fibre | Expired / Lapsed | 1974-12-09 | 1976-03-30 | 8 | Details |
| US3916103A | Interconnector for telephone units | Expired / Lapsed | 1973-04-09 | 1975-10-28 | 3 | Details |
| US3729586A | Digital guard-time circuit for use in a frame synchronizati… | Expired / Lapsed | 1971-09-23 | 1973-04-24 | 5 | Details |
| US3673391A | Digital frequency multiplying system | Expired / Lapsed | 1970-12-16 | 1972-06-27 | 8 | Details |
| US3573507A | Integrated mos transistor flip-flop circuit | Expired / Lapsed | 1968-11-08 | 1971-04-06 | 7 | Details |
| US3458713A | Polycarbonate electrets | Expired / Lapsed | 1966-11-01 | 1969-07-29 | 2 | Details |
| US3447147A | Encoder | Expired / Lapsed | 1965-06-03 | 1969-05-27 | 0 | Details |
| US3436492A | Field effect electroacoustic transducer | Expired / Lapsed | 1966-01-17 | 1969-04-01 | 0 | Details |
| US3423822A | Method of making large scale integrated circuit | Expired / Lapsed | 1967-02-27 | 1969-01-28 | 0 | Details |
| US3380024A | Multi-digit electrical combination lock | Expired / Lapsed | 1964-04-16 | 1968-04-23 | 0 | Details |
| US3300585A | Self-polarized electrostatic microphone-semiconductor ampli… | Expired / Lapsed | 1963-10-01 | 1967-01-24 | 2 | Details |
| US3093756A | Detector of pulses exceeding a predetermined length | Expired / Lapsed | 1961-11-24 | 1963-06-11 | 2 | Details |
| US3077545A | Gates including (1) diodes and complementary transistors in… | Expired / Lapsed | 1960-03-07 | 1963-02-12 | 4 | Details |
| US3060350A | Timing delay and reset circuit | Expired / Lapsed | 1960-03-07 | 1962-10-23 | 0 | Details |
| US2780906A | Apparatus for forming multi-element cable | Expired / Lapsed | 1954-04-02 | 1957-02-12 | 0 | Details |
| US2580803A | Phase measuring device | Expired / Lapsed | 1950-01-12 | 1952-01-01 | 0 | Details |
| US2504804A | Electrical protective apparatus | Expired / Lapsed | 1948-12-11 | 1950-04-18 | 0 | Details |