Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7485231 | Activated sludge process using downflow sludge blanket filtration | Hyung-Soo Kim, Young Gyun Choi, Yong Hyo Park | 2009-02-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7485231 | Activated sludge process using downflow sludge blanket filtration | Hyung-Soo Kim, Young Gyun Choi, Yong Hyo Park | 2009-02-03 |