Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9744598 | Metal cutting tool and cutting plate provided in the shape of a donut | Wolfgang Zitzlaff | 2017-08-29 |
| 9227248 | Metal cutting tool and cutting plate provided in the shape of a donut | Wolfgang Zitzlaff | 2016-01-05 |
| 8403603 | Insert seat adapter | Wolfgang Zitzlaff, Holger Rusch | 2013-03-26 |
| 8388273 | Metal cutting tool and cutting plate provided in the shape of a donut | Wolfgang Zitzlaff | 2013-03-05 |
| 5139371 | Clamp for circular cutting tool | Harald Kraft | 1992-08-18 |