Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11035720 | Warning device for preventing underground cables against accidental excavation | Lijun Zhou, Yunjie Zhou, Xiaojuan Jiang, Tiecheng Lou, Jinhua Yu +10 more | 2021-06-15 |
| 9050693 | Manufacturing device having clamp unit | Dong Sich Lim, Seung Chan Lee, Hyun Jung Chang | 2015-06-09 |