Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6290849 | Method for biological purification of waste water by the activated sludge method and apparatus for carrying out the method | Gert Petersen | 2001-09-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6290849 | Method for biological purification of waste water by the activated sludge method and apparatus for carrying out the method | Gert Petersen | 2001-09-18 |