Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11041547 | Shifting manipulation-assisting device and hub-embedded transmission having the same | Hyuk Yoo, Tae Jin Jung, Seong-Cheol An | 2021-06-22 |
| D916627 | Electric scooter | Sung-Cheol An, Hyuk Yoo, Tae Jin Jung | 2021-04-20 |