Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7638043 | Grit chamber for wastewater treatment plant, capable of preventing sedimentation of organic material | Doo Yun Hwang | 2009-12-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7638043 | Grit chamber for wastewater treatment plant, capable of preventing sedimentation of organic material | Doo Yun Hwang | 2009-12-29 |