Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D728648 | Resistance spot welding electrode | Dong Cheol Kim, Cheol-Hee Kim, Hyun Jun Yun | 2015-05-05 |
| D726794 | Resistance spot welding electrode | Dong Cheol Kim, Cheol-Hee Kim, Hyun Jun Yun | 2015-04-14 |