Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7690488 | Roller freewheel | Volker Ploetz, Swen Dörrie, Frieder Altmann, Alois Leisgang | 2010-04-06 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7690488 | Roller freewheel | Volker Ploetz, Swen Dörrie, Frieder Altmann, Alois Leisgang | 2010-04-06 |