Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10682686 | Eco-mold apparatus for manufacturing piston, mold apparatus for manufacturing piston, and piston manufacturing method | Jun Kui YANG, Kwan Ho RYU, Lee Cheol JI, Sang Min Lee | 2020-06-16 |