Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6508146 | Pedal driving mechanism of bicycle | Jong-Suk Kim, Hye-Jong Park | 2003-01-21 |
| 6152471 | Variable pedal driving device of bicycle | Jong-Suk Kim, Hye-Jong Park | 2000-11-28 |