Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7772740 | Brush holder | Torsten Tussing, Helmut Burger | 2010-08-10 |
| 6820700 | Chuck for a percussion tool | Josef Fünfer, Michael Schamberger | 2004-11-23 |
| 6578644 | Percussion rotary hand-held power tool with a rotatable guide tube | Hans-Werner Bongers-Ambrosius, Peter Gerold | 2003-06-17 |
| 6543789 | Chuck for a boring tool | Uto Plank, Helmut Nussrainer | 2003-04-08 |
| 5992541 | Drilling and/or chiselling tool | Helmut Nussrainer, Hans-Werner Bongers-Ambrosius | 1999-11-30 |
| 5975217 | Tool for drilling and/or chiseling | Helmut Nussrainer, Reinhard Schulz, Hans-Werner Bongers-Ambrosius | 1999-11-02 |