Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6177007 | High efficiency apparatus for treating nitrogen and phosphorous contained in sewage | Eui Shin Lee, Yun Seok Chang, Yong Rok Heo, Chil Lim Park | 2001-01-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6177007 | High efficiency apparatus for treating nitrogen and phosphorous contained in sewage | Eui Shin Lee, Yun Seok Chang, Yong Rok Heo, Chil Lim Park | 2001-01-23 |