Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6920442 | Method for controlling operation of an electric fan | Kun-Feng Lin | 2005-07-19 |
| 6326882 | Apparatus and method for controlling a ventilation device | Kun-Feng Lin | 2001-12-04 |