Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4402834 | Method for dewatering sludge-type material | Wendel Bastgen, Helmut Schreiber | 1983-09-06 |
| 4192743 | Process of dewatering sludge-type material and installation for carrying out the process | Wendel Bastgen, Helmut Schreiber | 1980-03-11 |