Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D565492 | Steel wire of a bicycle | — | 2008-04-01 |
| 6871915 | Multiple-flange bicycle hubs | Eric Hjertberg | 2005-03-29 |
| 6767070 | Bicycle wheel rims | Ko-Jan Tsai | 2004-07-27 |
| 6764246 | Combination of handlebar stem and two connection parts on two ends of the handlebar stem | — | 2004-07-20 |
| D484831 | Bicycle crank | — | 2004-01-06 |