Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9073183 | Rotary device for a cutting tool assembling and disassembling apparatus | — | 2015-07-07 |
| 6810764 | Bicycle speed change control device | — | 2004-11-02 |
| 6532890 | Speed indicator for a shifting device of bicycle | — | 2003-03-18 |
| 6389920 | Mechanism for easy and precise control of gear shifting device of bicycle | — | 2002-05-21 |
| 6244207 | Bicycle gear shift indicating device | — | 2001-06-12 |
| 6220111 | Bicycle speed changing device | — | 2001-04-24 |