Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11015495 | Drain plug for oil pan | Byung-Hyun Lee, Hyun Jun Kim | 2021-05-25 |
| 10760457 | Fast engine oil warm-up type oil pan and engine system thereof | Byung-Hyun Lee, Hyun Jun Kim, Joon-Ho Park | 2020-09-01 |