Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11095473 | Doorbell prompting control method, device and storage medium | — | 2021-08-17 |
| 11043105 | Hand-washing monitoring method, hand-washing monitoring device, and electronic device | Yingchun Xie | 2021-06-22 |
| 10989209 | Fan | Lei Zhang, Zhenhua Liu | 2021-04-27 |