Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9221698 | Hybrid artificial wetland water purification system, sewage treatment device using same, and natural nonpoint purification device capable of simultaneously purifying river and lake water | Sung-Chul Kim, Goo Hyeon Park, Moon Sik Hyun, Hee Jin Yang, Seol Hee Han | 2015-12-29 |