Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11191685 | Adjustable height wheelchair | Stephen J. Antonishak | 2021-12-07 |
| 11173081 | Seat positioning system for a wheelchair | Stephen J. Antonishak | 2021-11-16 |
| 11141330 | Elevated height wheelchair | Stephen J. Antonishak | 2021-10-12 |