Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6080073 | Electric auxiliary apparatus for bicycle | Ching-Wen Liu, Pai-Hsiang Hsu, Caesar Chen | 2000-06-27 |
| 5816966 | Bicycle front deraileur with a smooth gear switching mechanism | Kwang-Shyan Ho, Pai-Hsiang Hsu, Ching-Huan Tseng, Ying Chen | 1998-10-06 |