Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D865222 | Modular display support frame | Danhu Cai, Zhanqiang Li, Hong Zhang | 2019-10-29 |
| D849726 | Modular video support frame member | Danhu Cai, Zhanqiang Li, Jun Li | 2019-05-28 |
| D828971 | Hand cart | Danhu Cai, Zhanqiang Li, Hong Zhang | 2018-09-18 |
| D817285 | Magnetic chuck | Danhu Cai, Zhanqiang Li, Hong Zhang | 2018-05-08 |