Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4771894 | Device for separating materials of value from a mixture | — | 1988-09-20 |
| 4706898 | Crushing machine with a removable outlet grate | Joachim Schonfeld, Gabriele Greiner | 1987-11-17 |