Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5762154 | Electrical driving system for a wheel chair | — | 1998-06-09 |
| 5730520 | Selectively actuable lighting skate wheel | Chi-Hsueh Hsu, Chi-Yeh Hsu | 1998-03-24 |
| 5608975 | Collapsible and portable hair dryer with combustion heat supply system | — | 1997-03-11 |