Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10864605 | High strength welding joint having excellent impact toughness at very low temperature, and flux-cored arc welding wire therefor | Sang Chul Lee, Il-Wook Han, Jeong-Kil Kim | 2020-12-15 |