Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D902191 | Industrial gateway module | Jun Wu, Gao Fei Dong, Zhao Zhao | 2020-11-17 |
| 10694909 | Clutch device for upright vacuum cleaner and upright vacuum cleaner having same | Wei Hu, Xiahu Xiao | 2020-06-30 |
| 10677700 | Method for testing performance of diamond saw blade, diamond grinding wheel and diamond drill bit | Ding-Jun Yin, Hehui Guo | 2020-06-09 |
| 10610071 | Upright vacuum cleaner | Wei Hu, Xiahu Xiao | 2020-04-07 |