Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D493216 | Wheel blade | Chun-Che Chiu, Heng-Yi Chen, Chin-Fu Lee | 2004-07-20 |
| D486568 | Fan blade | Heng-Yi Chen, Yu-Lung Dung, Chin-Fu Lee | 2004-02-10 |
| D486569 | Fan blade | Heng-Yi Chen, Yu-Lung Dung, Chin-Fu Lee | 2004-02-10 |