Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7549491 | Hard material bit | Klaus Hoeggerl, Olaf Koch | 2009-06-23 |
| 7021872 | Rock drill | Udo Hauptmann, Tim Pröls | 2006-04-04 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7549491 | Hard material bit | Klaus Hoeggerl, Olaf Koch | 2009-06-23 |
| 7021872 | Rock drill | Udo Hauptmann, Tim Pröls | 2006-04-04 |