Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5816966 | Bicycle front deraileur with a smooth gear switching mechanism | Yann-Jy Yang, Pai-Hsiang Hsu, Ching-Huan Tseng, Ying Chen | 1998-10-06 |
| 5010734 | Cooling system for a stirling engine | — | 1991-04-30 |