Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7647717 | Numerical display device | Haikun Chen, Liqun Zhang, Yanjun Wu | 2010-01-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7647717 | Numerical display device | Haikun Chen, Liqun Zhang, Yanjun Wu | 2010-01-19 |