Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4953793 | Bowl-and-roller mill | Dieter Kiefer | 1990-09-04 |
| 4860962 | Bowl-mill crusher | Dieter Kiefer | 1989-08-29 |
| 4705223 | Bowl mill | Gunter Dibowski | 1987-11-10 |
| 4674693 | Mill | Dieter Kiefer | 1987-06-23 |
| 4441720 | Seal of a mill | Gunter Dibowski | 1984-04-10 |