Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9073600 | Dual drive bicycle | — | 2015-07-07 |
| 5472392 | Centrifugal resistance device for stationary bicycle trainer | Cal M. Phillips | 1995-12-05 |
| 5397285 | Centrifugal resistance device for stationary bicycle trainer | Cal M. Phillips | 1995-03-14 |