Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4631720 | Service integrated transmission system | — | 1986-12-23 |
| 4567586 | Service integrated digital transmission system | — | 1986-01-28 |
| 4434326 | Circuit arrangement for establishing and terminating a data connection | Wolfgang Bambach, Gerhard Ruopp, Frank Mikley | 1984-02-28 |