Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6329730 | Arrangement for the vibration - isolating suspension of an electric motor | Heinz Wengrzik | 2001-12-11 |
| 6107706 | Arrangement for the vibration-isolating suspension of an electric motor | Heinz Wengrzik | 2000-08-22 |