Italtel SpA
Italtel SpActive Patents
0
Total Holdings
33
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| EP0843499A2 | Method and device for the management of resources in ATM te… | Expired / Lapsed | 1997-11-13 | — | 13 | Details |
| EP0668679A2 | OFDM system | Expired / Lapsed | 1995-02-15 | — | 6 | Details |
| EP0615396A1 | Method and apparatus for seamless handover in a digital pri… | Expired / Lapsed | 1994-03-03 | — | 5 | Details |
| DE2833043A1 | Housing for telecommunications circuit boards - is extruded… | Expired / Lapsed | 1978-07-27 | — | 0 | Details |
| DE2305986A1 | TELEVISION TELEVISION STATION | Expired / Lapsed | 1973-02-07 | — | 0 | Details |
| DE2260023A1 | CIRCUIT ARRANGEMENT FOR MAKING THE TELEPHONE NUMBER OF A CA… | Expired / Lapsed | 1972-12-07 | — | 0 | Details |
| DE2030347A1 | Telecommunication system with a number of dual channels tha… | Expired / Lapsed | 1970-06-19 | — | 0 | Details |
| DE2030347B2 | Telecommunication system with a number of bidirectional cha… | Expired / Lapsed | 1970-06-19 | — | 0 | Details |
| DE1904623B2 | Two-way radio for fixed and mobile users | Expired / Lapsed | 1969-01-30 | — | 0 | Details |
| USD269511S | Desk telephone | Expired / Lapsed | 1980-10-21 | 1983-06-28 | 1 | Details |
| USD260991S | Telephone set | Expired / Lapsed | 1978-07-28 | 1981-09-29 | 1 | Details |
| US4209841A | Interface unit facilitating data exchange between central p… | Expired / Lapsed | 1978-07-07 | 1980-06-24 | 8 | Details |
| US4115665A | Multiple circuit interrupter for telecommunication system | Expired / Lapsed | 1977-04-05 | 1978-09-19 | 7 | Details |
| US4035838A | Cable distribution system for wide-band message signals | Expired / Lapsed | 1976-03-16 | 1977-07-12 | 10 | Details |
| US3969592A | Pushbutton-controlled call-number selector for dial-equippe… | Expired / Lapsed | 1974-01-02 | 1976-07-13 | 11 | Details |
| US3899640A | Device for blocking toll calls from subscriber telephones | Expired / Lapsed | 1972-12-18 | 1975-08-12 | 13 | Details |
| US3870840A | Switch pushbutton-type digit keyboard switch with leaf spri… | Expired / Lapsed | 1973-10-15 | 1975-03-11 | 12 | Details |
| US3818306A | Stabilized power supply with transformer isolation | Expired / Lapsed | 1973-02-20 | 1974-06-18 | 4 | Details |
| US3808537A | Radiotelephone system with central office having individual… | Expired / Lapsed | 1972-12-19 | 1974-04-30 | 2 | Details |
| US3761814A | Telecommunication system with transmitting stations selecti… | Expired / Lapsed | 1971-12-15 | 1973-09-25 | 11 | Details |
| US3749847A | Device for blocking toll calls from subscriber telephones | Expired / Lapsed | 1971-10-05 | 1973-07-31 | 12 | Details |
| US3729595A | Radiotelephone system with central office having individual… | Expired / Lapsed | 1971-02-04 | 1973-04-24 | 20 | Details |
| US3719890A | Transceiver for peripheral station of multiplex telecommuni… | Expired / Lapsed | 1971-11-22 | 1973-03-06 | 12 | Details |
| US3681694A | Radio telecommunication system with automatic replacement o… | Expired / Lapsed | 1969-05-14 | 1972-08-01 | 20 | Details |
| US3659046A | Message scrambler for pcm communication system | Expired / Lapsed | 1969-05-13 | 1972-04-25 | 7 | Details |
| US3657482A | Centralized identification and debiting system for telephon… | Expired / Lapsed | 1971-04-14 | 1972-04-18 | 11 | Details |
| US3634627A | Channel-allocation system for a channel-addressing multiple… | Expired / Lapsed | 1970-07-21 | 1972-01-11 | 18 | Details |
| US3588371A | Radiotelephone system for communication between a central o… | Expired / Lapsed | 1969-02-03 | 1971-06-28 | 0 | Details |
| US3573752A | Pulse-code-modulation system with converging signal paths | Expired / Lapsed | 1969-07-01 | 1971-04-06 | 7 | Details |
| US3560660A | Time-allocation communication system with scrambling network | Expired / Lapsed | 1968-12-16 | 1971-02-02 | 11 | Details |
| US3518549A | Automatic protection switching system for communication cha… | Expired / Lapsed | 1965-10-24 | 1970-06-30 | 0 | Details |
| US3421145A | Electronic processor which performs switching operations be… | Expired / Lapsed | 1965-08-04 | 1969-01-07 | 2 | Details |
| US3398296A | Digital logic information signal distributor for multichann… | Expired / Lapsed | 1964-05-08 | 1968-08-20 | 0 | Details |