Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11231644 | Fresnel projection screen and projection system | Chao WANG, Fei Zhao, Qiang Zhong, Xiaoping Li | 2022-01-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11231644 | Fresnel projection screen and projection system | Chao WANG, Fei Zhao, Qiang Zhong, Xiaoping Li | 2022-01-25 |