Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5186019 | Device to freeze free-flowing and pourable substances | Gunther Weyermanns | 1993-02-16 |
| 5120335 | Separator to separate products finely ground in a mill from a gas current | Gunther Weyermanns, Stefan Zerwas | 1992-06-09 |