Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5232096 | Material dispersion apparatus | — | 1993-08-03 |
| 5058813 | Method for comminuting brittle material to be ground | Franz Thomas | 1991-10-22 |
| 5056722 | Tube mill partition | Ralph Michelsen, Udo Schulze-Brockhausen | 1991-10-15 |
| 5016826 | Tube mill partition | Ralph Michelsen, Udo Schulze-Brockhausen, Erwin Schmitz | 1991-05-21 |