Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D976732 | Doorbell | Mengying Li, Jun Zhou, Haoliang Zhou | 2023-01-31 |
| D976733 | Doorbell chime | Mengying Li, Jun Zhou, Haoliang Zhou | 2023-01-31 |
| D971920 | Docking station | Mengying Li, Haoliang Zhou | 2022-12-06 |