Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D703565 | Fire detector | Kai Chen, Wen Long Qi, Lei Qui, Wen Shang | 2014-04-29 |
| D703566 | Fire detector | Kai Chen, Wen Long Qi, Lei Qui, Wen Shang | 2014-04-29 |
| D665288 | Smoke alarm | Chang Lin Sun | 2012-08-14 |
| D664875 | Smoke alarm | Chang Lin Sun | 2012-08-07 |