Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8734599 | Steel wire rod for high strength and high toughness spring having excellent cold workability, method for producing the same and method for producing spring by using the same | Sang Woo Choi, Hoe-Young Jung, Duk Lak Lee, Jeong Do Seo, Jay Hyung Jung +2 more | 2014-05-27 |