Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6601863 | Mid-wheel drive wheelchair with rigid front wheel anti-tip stabilizer | Roland A. Mentessi, John Jindra, James R. Miadock | 2003-08-05 |
| 6073951 | Articulating seat/chassis interface for a wheelchair | John Jindra, Roland A. Mentessi | 2000-06-13 |