Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7517454 | Method for treating wastewater containing active sludge | Yen-Jung Hu, Hsi-Yu Chen | 2009-04-14 |
| 7501060 | Wastewater treating system | Yen-Jung Hu, Hsi-Yu Chen | 2009-03-10 |