Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8157100 | Structure for fixing screen bars of screening apparatus for wastewater treatment | — | 2012-04-17 |
| 7638043 | Grit chamber for wastewater treatment plant, capable of preventing sedimentation of organic material | Kyung In Park | 2009-12-29 |