Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6119785 | Fire-extinguishing device and valve unit therefor | Wulf Reise | 2000-09-19 |
| 4652430 | Apparatus for multi-stage refining of organic bulk materials | Wolfgang Michel, Heinz Paul, Dieter Kostler, Frank Wilhelm, Andreas Rummel +4 more | 1987-03-24 |