Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11532194 | Knock detection device and household appliance including the same | Shuhai Fan | 2022-12-20 |
| 11291131 | Electrical appliance device containing a knob | Fengqun Cui | 2022-03-29 |