Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6644143 | Grip gear-shifter for actuating derailleur of bicycle | Chan-Hua Feng, Jen-Ji Wang, Te-Sheng TSENG | 2003-11-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6644143 | Grip gear-shifter for actuating derailleur of bicycle | Chan-Hua Feng, Jen-Ji Wang, Te-Sheng TSENG | 2003-11-11 |