Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839643 | Broadband signal switching equipment | Wilhelm Koenig, Thomas Lang | 1989-06-13 |
| 4837778 | Circuit arrangement for time-regeneration of broadband digital signals | — | 1989-06-06 |