Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11033446 | Backstop and gear-shift arrangement for a wheelchair wheel | Lars Tenerz, Fredrik Preinitz | 2021-06-15 |
| 10179076 | Gear-shift arrangement for a wheelchair wheel | Dan Akerfeldt | 2019-01-15 |