Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5860609 | Wear-resistant surface armoring for the rolls of high-pressure roll presses for the pressure disintegration of granular material | Erich Sommer, Ludger Alsman, Franz Goeddecke, Meinhard Frangenberg | 1999-01-19 |