Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11813209 | Motion-based power assist system for wheelchairs | — | 2023-11-14 |
| 11065166 | Motion-based power assist system for wheelchairs | — | 2021-07-20 |
| 6120047 | Low impact hand rim apparatus for hand-propelled wheelchair | Peter W. Axelson | 2000-09-19 |