Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4706270 | Equipment for sending digitally pre-stored voice announcements to the subscribers connected to a telephone network | Luciano Astegiano, Fulvio Bosco, Alfredo De Bosio, Dario Franco, Piero Lampiano +2 more | 1987-11-10 |
| 4445001 | Circuit arrangement for identifying telephone subscribers | — | 1984-04-24 |
| 4192972 | Pay-telephone station with deferred collection | Aurelio Caccia, Riccardo Fidanza, Wouter M. D. VanVeen | 1980-03-11 |