Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4982905 | Apparatus for crushing materials | Dietmar Holsiepe, Ludger Lohnherr, Bernhard Zigan | 1991-01-08 |
| 4323344 | Apparatus for heat treating fine-grain material | — | 1982-04-06 |