Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8172168 | Roller grinding mill | Dirk Hoffmann, Otto Jung, Hardy Lessmeister, Thomas Hoster | 2012-05-08 |
| 7926754 | Safety systems for roller mills | Dirk Hoffmann, Otto Jung | 2011-04-19 |