Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867439 | Locomotion exercise enhancement equipment | — | 1989-09-19 |
| 4834367 | Supinator/pronator exercise machine | James Michael Gittleson | 1989-05-30 |
| 4657246 | Weight exercise machine | — | 1987-04-14 |
| 4549733 | Weight type exercising device | — | 1985-10-29 |