Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11826292 | Backrest interlocking type frame for foldable wheelchair | — | 2023-11-28 |
| 10888474 | Wheelchair power apparatus for electronic driving conversion | Joon-Hyung Kim | 2021-01-12 |
| 10857046 | Wheelchair power apparatus for electronic driving conversion | Joon-Hyung Kim | 2020-12-08 |