Issued Patents 2022
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D949438 | Ladder | Xiaowei Yin, Bingkun Duan | 2022-04-19 |
| D946428 | Laser level | Mingkai Li, Bo Du | 2022-03-22 |
| D945208 | Pellet stove | Bingkun Duan, Mingkai Li, Bo Du | 2022-03-08 |
| D942874 | Laser level | Mingkai Li | 2022-02-08 |
| D942875 | Laser level | Zelong Shao | 2022-02-08 |