Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11035720 | Warning device for preventing underground cables against accidental excavation | Yunjie Zhou, Xiaojuan Jiang, Hong Sik Min, Tiecheng Lou, Jinhua Yu +10 more | 2021-06-15 |