Issued Patents 2023
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D994521 | Wired doorbell | Xin Lingyun | 2023-08-08 |
| D993798 | Battery doorbell | Xin Lingyun | 2023-08-01 |
| D987460 | Contact sensor | Xin Lingyun | 2023-05-30 |
| D987651 | Dongle | Xin Lingyun | 2023-05-30 |
| D982467 | Chime | Xin Lingyun | 2023-04-04 |