Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11085157 | Floatable flow-resisting and sand-resisting multi-functional device | Chunyan Ji, Jianting Guo, Yong Cheng | 2021-08-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11085157 | Floatable flow-resisting and sand-resisting multi-functional device | Chunyan Ji, Jianting Guo, Yong Cheng | 2021-08-10 |