Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7628221 | Hand-held power tool with a pneumatic percussion mechanism | Markus Hartmann, Stefan Dorner | 2009-12-08 |
| 7059432 | Cup-shaped rock drill head | Udo Hauptmann, Reinhard Schulz, Martin Richter | 2006-06-13 |