Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5369896 | Sports shoe incorporating an elastic insert in the heel | Alfredo Crespan | 1994-12-06 |
| D339906 | Shoe insert | Alfredo Crespan | 1993-10-05 |
| D335951 | Shoe insert | Alfredo Crespan | 1993-06-01 |
| D330627 | Shoe insert | Alfredo Crespan | 1992-11-03 |
| D330628 | Shoe insert | Alfredo Crespan | 1992-11-03 |
| 5092060 | Sports shoe incorporating an elastic insert in the heel | Alfredo Crespan | 1992-03-03 |