Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8404366 | Surface treating method for cutting tools | Joo Wan Lee | 2013-03-26 |
| 8399103 | Coated cemented carbide cutting tools and method for pre-treating an coating to produce cemented carbide cutting tools | Kern Woo Lee | 2013-03-19 |
| 8057854 | Surface treatment method for coated cutting insert | Chul Woen Yun, Seung Hwan Lee | 2011-11-15 |