Issued Patents 2019
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D864284 | Digital welding goggle | Zhaolin Yang, Jianrong Zhou | 2019-10-22 |
| D857302 | Welders' mask | Zhaolin Yang, Jianrong Zhou | 2019-08-20 |
| D857303 | Welders' mask | Zhaolin Yang, Jianrong Zhou | 2019-08-20 |
| D857304 | Welders' mask | Zhaolin Yang, Jianrong Zhou | 2019-08-20 |