Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10035059 | Flat ground cross-country type roller skate | Yongmei Chen | 2018-07-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10035059 | Flat ground cross-country type roller skate | Yongmei Chen | 2018-07-31 |