Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6581713 | Engine suspension device of a beach buggy | Michael Yu | 2003-06-24 |
| 6553854 | Mechanical speed measuring device for a beach buggy | Michael Yu, Jeff Chunchieh Huang, Tony Chen | 2003-04-29 |