Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7057306 | Fuel cell and control unit in a detachable housing | Werner Belschner, Anton Sonntag, Josef Sonntag | 2006-06-06 |
| 6746250 | Connection for a distribution network | — | 2004-06-08 |