Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10786591 | Contaminant reducing device | Seung Jae Lee, Hee Jun Park | 2020-09-29 |
| 10618622 | Pollutant reduction device and method | Seung Jae Lee, Hee Jun Park, Jae Woong Choi | 2020-04-14 |