Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7195712 | Wastewater treatment apparatus and method for removing nitrogen and phosphorus | Jong Bok Park, Jae Jin Lee, Gyung Hae Aoh | 2007-03-27 |
| 6790347 | Batch style wastewater treatment apparatus using biological filtering process and wastewater treatment method using the same | Jae Jin Lee, Gyung-Hae Aohh, Jong Bok Park | 2004-09-14 |