Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11759745 | Apparatus for reducing fine dust using lightweight mixed air | Dugkeun Park, Sungwook Kim | 2023-09-19 |
| 10781079 | Safety device for escalator | Dugkeun Park | 2020-09-22 |