Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5645725 | Process and device for the biological treatment of organically polluted waste water and organic waste | Dorit Zitzelsberger, Gerd Ahne, Karl Bleicher | 1997-07-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5645725 | Process and device for the biological treatment of organically polluted waste water and organic waste | Dorit Zitzelsberger, Gerd Ahne, Karl Bleicher | 1997-07-08 |