Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9981346 | Welded joint of extremely low-temperature steel, and welding materials for preparing same | Il-Wook Han, Bong-Keun Lee, Hong-Kil Lee | 2018-05-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9981346 | Welded joint of extremely low-temperature steel, and welding materials for preparing same | Il-Wook Han, Bong-Keun Lee, Hong-Kil Lee | 2018-05-29 |