Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5873283 | Motorized control for a derailleur | Cheng-Hsiung Chen | 1999-02-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5873283 | Motorized control for a derailleur | Cheng-Hsiung Chen | 1999-02-23 |