Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4475187 | Broad band exchange system to minimize crosstalk using threshold value multiplex circuits | — | 1984-10-02 |
| 4345273 | Broad band switching system | Karl-Heinz Moehrmann, Hans-Marlin Christiansen | 1982-08-17 |
| 4331950 | Broad band switching network | — | 1982-05-25 |