Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7744754 | Plant for wastewater treatment | Hong-Bok Choi, Jae-Ki Lee, Eun Ju Choi, Jung Rae Kim | 2010-06-29 |
| 7731850 | Apparatus and method for treating wastewater | Hong-Bok Choi, Jae-Ki Lee, Eun Ju Choi, Jeong Rae KIM | 2010-06-08 |