Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D303695 | Skiing exerciser or similar article | David Smith, Randolph F. Miller | 1989-09-26 |
| D299369 | Skiing exerciser or similar article | David Smith, Randolph F. Miller | 1989-01-10 |
| 4770411 | Exercise apparatus ergometer | Timothy O. Armstrong, William W. Potts | 1988-09-13 |