Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5315595 | Packet mode method and concentrator arrangement for data terminals served by an | Jacques Allouis | 1994-05-24 |
| 4839888 | Digital time-division multiplex switch-based telephone subscriber connection system | Rainier Baltz | 1989-06-13 |
| 4185174 | Method and apparatus for checking connection paths in a telephone exchange | Desire Beyhurst, Jean-Jacques Bronner, Henri Kraess | 1980-01-22 |