Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D865891 | Balance roller skate | Lei Liu | 2019-11-05 |
| D840277 | Electric unicycle scooter | Lei Liu, Lufeng Gao | 2019-02-12 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D865891 | Balance roller skate | Lei Liu | 2019-11-05 |
| D840277 | Electric unicycle scooter | Lei Liu, Lufeng Gao | 2019-02-12 |