Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5869327 | Apparatus for the biological treatment of substances and/or mixtures of substances in closed rotting reactors | Lothar Schaar, Andreas Deutsch | 1999-02-09 |
| 5693528 | Composting unit having a ventilation system for closed rotting units | Lothar Schaar, Andreas Deutsch | 1997-12-02 |