Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6773597 | Method and apparatus for reducing excess sludge | Shu Zhang, Toshiki Yoshimura | 2004-08-10 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6773597 | Method and apparatus for reducing excess sludge | Shu Zhang, Toshiki Yoshimura | 2004-08-10 |