Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D360971 | Anatomical seat pad for cycling shorts | Peter Kallen, Chris Helmsworth | 1995-08-08 |
| 5271101 | Cycling shorts with anatomical seat pad | Peter Kallen, Chris Helmsworth | 1993-12-21 |