Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D713113 | Trolley recessed fixed frame | Hung-Hsin Hsieh | 2014-09-09 |
| 5984327 | Handcart | Yung-Shun Hsieh | 1999-11-16 |
| D415600 | Stretchable and foldable cart | Hung-Hsin Hsieh | 1999-10-19 |
| 5951037 | Luggage cart | Yung-Shun Hsieh | 1999-09-14 |
| D411679 | Handcart | Hung-Hsin Hsieh | 1999-06-29 |
| 5816604 | Stretchable and foldable cart | Yung-Shun Hsieh | 1998-10-06 |