Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4949539 | Muffler with a purifying system for car or motorcycle | Chi-chu Hsu, Chin-ching Yu, Miguel Huang | 1990-08-21 |
| 4871042 | Electric bicycle | Chi-chu Hsu, Chin-ching Yu, Miguel Huang | 1989-10-03 |
| 4811495 | Laundry drier | Mijuel E. J. Huang, Chin-ching Yu, Chi-chu Hsu | 1989-03-14 |