Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5630595 | Braking device for roller skates | — | 1997-05-20 |
| 5601342 | Device for mounting and removing skate wheels | — | 1997-02-11 |
| 5588658 | Apparatus for mounting skate rollers in inline roller skates | Gerhard Trinkaus | 1996-12-31 |
| 4991319 | Ski shoe | — | 1991-02-12 |
| 4962595 | Ski shoe | — | 1990-10-16 |