Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5611935 | Method and device for treating sludge | Heinz Thiemann, Helmut Brauweiler, Ivan Rupert, J org Bublies | 1997-03-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5611935 | Method and device for treating sludge | Heinz Thiemann, Helmut Brauweiler, Ivan Rupert, J org Bublies | 1997-03-18 |