Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11178490 | Diaphragm for acoustic transducer | — | 2021-11-16 |
| 6094329 | DI protective switching device | Stefan Thiele | 2000-07-25 |
| 6091591 | Di protective switching device | Stefan Thiele | 2000-07-18 |