Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6528140 | Shoe sole with dual energy management system | Daniel E. Norton, Kwang Ho Park, Simon Luthi, Berthold Krabbe | 2003-03-04 |
| 6477791 | Shoe with stability element | Simon Luthi, Jeffrey Gebhard, Charles Kraeuter | 2002-11-12 |
| 6199303 | Shoe with stability element | Simon Luthi, Jeffrey Gebhard, Charles Kraeuter | 2001-03-13 |