Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7967312 | Dual riding and driving tricycle in juxtaposing link | Hsu Sheng Chin, Chih-Ching Chin | 2011-06-28 |
| 7874566 | Dual riding and driving tricycle in juxtaposing link | Hsu Sheng Chin, Chih-Ching Chin | 2011-01-25 |