Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5742672 | Installation of a multi-terminal network | — | 1998-04-21 |
| 4873640 | Driving-speed adjusting arrangement | Klaus Hahn | 1989-10-10 |
| 4849896 | Method for triggering a switching function | Klaus Hahn | 1989-07-18 |