Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10503061 | Focusing method of optical machine of projector, focusing device and optical machine | Hongtao Guan, Wenchu Dong, Ying Zhang, Tailiang Li | 2019-12-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10503061 | Focusing method of optical machine of projector, focusing device and optical machine | Hongtao Guan, Wenchu Dong, Ying Zhang, Tailiang Li | 2019-12-10 |