Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7603776 | Method for manufacturing a rim | — | 2009-10-20 |
| 7179026 | Method for producing a rim and a rim, particularly for a bicycle | — | 2007-02-20 |
| 6955509 | Method for producing a rim and a rim, particularly for a bicycle | — | 2005-10-18 |
| 6644443 | Transportation device, especially a wheelchair, with a braking system | — | 2003-11-11 |
| 6588564 | Hub, especially for bicycles and the like | Stephan Spahr | 2003-07-08 |
| 6557684 | Free-wheeling hub | Stefan Spahr | 2003-05-06 |