Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8464843 | Lockable caster wheels | Ying Qiu, Liming Fang, Jie Ma | 2013-06-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8464843 | Lockable caster wheels | Ying Qiu, Liming Fang, Jie Ma | 2013-06-18 |