Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11033446 | Backstop and gear-shift arrangement for a wheelchair wheel | Nils Didner, Fredrik Preinitz | 2021-06-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11033446 | Backstop and gear-shift arrangement for a wheelchair wheel | Nils Didner, Fredrik Preinitz | 2021-06-15 |