Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5544941 | Adjustable foot rest | James K. Campbell, Nicola Balderi, Doug G. Schaefer | 1996-08-13 |
| 5507458 | Height and tilt adjustable wrist rest | James K. Campbell, Nicola Balderi, Doug G. Schaefer | 1996-04-16 |