Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5355745 | Bicycle speed controller | Tieh-Yung Hsuan | 1994-10-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5355745 | Bicycle speed controller | Tieh-Yung Hsuan | 1994-10-18 |