Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10794299 | Variable exhaust valve assembly for vehicle | Sang Il Lee, Yun Soo Kim, Wan Cheol Lee, Jin Woo Kim | 2020-10-06 |
| 10060311 | Electric valve | Daegil Hwang, Jae-Hun Shim | 2018-08-28 |