Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11203095 | Flexible sanding device for cylinder rock specimen | Zhixin Jin, Chunwang Zhang, Guorui Feng, Xuanmin Song, Shengyong Hu +2 more | 2021-12-21 |
| 10962950 | Method and apparatus for controlling electric tool, and electric tool | Chuanbing Zhang, Dekang Wan | 2021-03-30 |