Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5396718 | Adjustable internal energy return system for shoes | Mark Johns | 1995-03-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5396718 | Adjustable internal energy return system for shoes | Mark Johns | 1995-03-14 |