Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10816083 | Lubrication system of power assembly of electric scooter | Chin-Feng Chang | 2020-10-27 |
| 10597115 | Controlling system of electric scooter | Chin-Feng Chang | 2020-03-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10816083 | Lubrication system of power assembly of electric scooter | Chin-Feng Chang | 2020-10-27 |
| 10597115 | Controlling system of electric scooter | Chin-Feng Chang | 2020-03-24 |