Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D468882 | Handcart | Hung-Hsin Hsieh | 2003-01-14 |
| 6409283 | Wheel assembly for a truck-attached carriage | — | 2002-06-25 |
| 5984327 | Handcart | Hung-Ching Hsieh | 1999-11-16 |
| 5951037 | Luggage cart | Hung-Ching Hsieh | 1999-09-14 |
| 5816604 | Stretchable and foldable cart | Hung-Ching Hsieh | 1998-10-06 |