Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890303 | Method and circuit for synchronizing a digital data transmission system with a network-external clock | — | 1989-12-26 |
| 4514840 | Data transmission systems for full duplex communication | Gerd Rohrbach, Jurgen Petersen, Ludwig Kittel | 1985-04-30 |
| 4271514 | Loopback test for data transmission paths | Karlheinz Parras, Helmut Dupont | 1981-06-02 |