Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8985495 | Device for preventing entanglement of welding wire | — | 2015-03-24 |
| 7441721 | Device for preventing welding wire from tangling | Yo-Seong Lee, Sae-Youl Ryu, Sang Ho Choi, Myung-Sang Yun, Yong-Chul Seo +2 more | 2008-10-28 |
| 7325683 | Welding wire container | Sung Wook HA | 2008-02-05 |