Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6488289 | Bi-functional roller skate | Chun-Chung Hsiao, Jong-Ming Lee | 2002-12-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6488289 | Bi-functional roller skate | Chun-Chung Hsiao, Jong-Ming Lee | 2002-12-03 |