Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5941333 | Bicycle with a planetary-gear-train type transmission and an auxilliary electrical transmission | Chien-Ping Sun | 1999-08-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5941333 | Bicycle with a planetary-gear-train type transmission and an auxilliary electrical transmission | Chien-Ping Sun | 1999-08-24 |