Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10787724 | Aluminum alloy for insert ring, aluminum insert ring using the same, and piston manufacturing method using the same | Eun-Ji Hong | 2020-09-29 |
| 10570987 | Damper pulley for crankshaft and method for manufacturing the same | Mun-Gu Kang, Hyo-Moon Joo, Young-chan Kim, Min Soo Kim, Jae Kwon Lee | 2020-02-25 |