Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8449647 | Method of inoculating magnesium on compacted graphite iron, and cylinder block and cylinder head manufactured by using the method | Heong Joo Park, Jae Kee Lee, Myoung Gu Hong | 2013-05-28 |