Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10077690 | Multiple variable valve lift apparatus | — | 2018-09-18 |
| 9945273 | Multiple variable valve lift apparatus | — | 2018-04-17 |
| 9869253 | Multiple variable valve lift apparatus | Seung Kook Han, Soo Hyung Woo, Wootae Kim | 2018-01-16 |