Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10344630 | Variable valve control system having common valve and engine system having the same | Myung-Sik Choi | 2019-07-09 |
| 10273837 | System for controlling variable valve apparatus and oil control valve for the same | Myung-Sik Choi | 2019-04-30 |