Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6666469 | Auxiliary device of monocycle | Chih-Yung Yu | 2003-12-23 |
| D460025 | Mini bicycle | Chih-Yung Yu | 2002-07-09 |
| D398267 | Bicycle frame | Chih-Yung Yu | 1998-09-15 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6666469 | Auxiliary device of monocycle | Chih-Yung Yu | 2003-12-23 |
| D460025 | Mini bicycle | Chih-Yung Yu | 2002-07-09 |
| D398267 | Bicycle frame | Chih-Yung Yu | 1998-09-15 |