Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8057238 | Magnetically actuated visual display board | Xingkang Li, Qiang Li | 2011-11-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8057238 | Magnetically actuated visual display board | Xingkang Li, Qiang Li | 2011-11-15 |