Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D937103 | Measuring instrument for air pollution | Min-Kyung Choi | 2021-11-30 |
| D921868 | Air purifier | Jae-Ho Jang, Sang In Lee, Deok-Sang Yun, Min-Kyung Choi, Seung Mok Lee | 2021-06-08 |