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 | Ottavio Bertoglio, Fulvio Bosco, Alfredo De Bosio, Dario Franco, Piero Lampiano +2 more | 1987-11-10 |
| 4295007 | Line identifier for switchboards | Wouter M. D. van Veen | 1981-10-13 |
| 4252998 | Identifier for manual switchboards with conference facility | Wouter M. D. Van Ween | 1981-02-24 |