Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6751891 | Article of footwear incorporating a shock absorption and energy return assembly for shoes | — | 2004-06-22 |
| 6055747 | Shock absorption and energy return assembly for shoes | — | 2000-05-02 |
| 5743028 | Spring-air shock absorbtion and energy return device for shoes | — | 1998-04-28 |
| 5692322 | Combination athletic shoes and plometric training device | — | 1997-12-02 |