Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11382559 | Dental surface imaging apparatus using laser projection | Zhaohua Liu | 2022-07-12 |
| 11346218 | Guiding type miniature pipe-jacking construction method | Guanfeng An, Jingda Ouyang, Haibin Yu, Rong Zhang, Tianjun Liu +3 more | 2022-05-31 |