Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9216443 | Drive system for a cleaning device and cleaning device | Leon Hjorslev | 2015-12-22 |
| D367251 | Foldable walking aid | Rolf Ahlberg | 1996-02-20 |
| 4661035 | Collapsible wheel-chair and apparatus for lifting the wheel-chair into and out from an automobile | — | 1987-04-28 |
| D289507 | Wheeled walking frame | — | 1987-04-28 |