Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7779930 | Hydraulic impact hammer with overpressure and piston-overtravel protection | Stefan Lohmann, Karlheinz Fritz, Reiner Koch, Markus Mellwig, Uwe Autschbach | 2010-08-24 |