Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5718658 | Skate training exercise apparatus and method | Kenneth L. Miller | 1998-02-17 |
| 5407411 | Back strengthening device and method | — | 1995-04-18 |
| 5284460 | Skate training exercise apparatus and method | Kenneth L. Miller | 1994-02-08 |
| 5261865 | Back strengthening device and method | — | 1993-11-16 |