Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10994376 | No-indentation welding monitoring device and method for monitoring the same | Kyunghwa Kwak, Doseok Yun | 2021-05-04 |
| 9802268 | Projection welding device | Chae Won Lim, Yong Joon Cho | 2017-10-31 |