Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6705252 | Vaporizer | Huang Chuan Pan | 2004-03-16 |
| 6657346 | Device for detecting the rotating speed of a fan motor | Huang Chuan Pan | 2003-12-02 |
| 6499951 | Fan head swinging device | Huang Chuan Pan | 2002-12-31 |