Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5921363 | Free wheel rotary body structure of a bicycle | Chung-Ping Chiang, Pai-Hsiang Hsu, Chang-Dau Yan | 1999-07-13 |
| 5732593 | Bicycle speed changing apparatus | Chung-Ping Chiang, Chang-Dau Yan | 1998-03-31 |
| 5673594 | Speed change lever apparatus for use in bicycles | Jack Huang, Chung-Ping Chiang, Chan-Hua Feng | 1997-10-07 |
| 5660083 | Gear shifting device for a multi-speed bicycle | Jack Huang, Chan-Hua Feng | 1997-08-26 |