Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4684126 | General purpose exercise machine | William T. Dalebout, Sohrab Vassoughi, David C. Rohrer, Steven W. Martinell, Robert L. Marchant | 1987-08-04 |
| D286311 | Rowing machine | Steven W. Martinell | 1986-10-21 |