Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D976732 | Doorbell | Mengying Li, Jun Zhou, Runjiao Zhou | 2023-01-31 |
| D976733 | Doorbell chime | Mengying Li, Jun Zhou, Runjiao Zhou | 2023-01-31 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D976732 | Doorbell | Mengying Li, Jun Zhou, Runjiao Zhou | 2023-01-31 |
| D976733 | Doorbell chime | Mengying Li, Jun Zhou, Runjiao Zhou | 2023-01-31 |