Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5088241 | Polishing device | Johannes Lubbering, Peter Ihme, Jurgen Busse, Wolfgang Volker | 1992-02-18 |
| 5088242 | Polishing device | Johannes Lubbering, Peter Ihme, Jurgen Busse, Wolfgang Volker | 1992-02-18 |
| 5016826 | Tube mill partition | Ralph Michelsen, Udo Schulze-Brockhausen, Herbert Weit | 1991-05-21 |
| 4661244 | Rotary basket air classifier | Ernst W. Hanke, Benno Bonk | 1987-04-28 |