Issued Patents 2003
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6659205 | Rock drill | Werner Kleine, Hans-Werner Bongers-Ambrosius, Udo Hauptmann | 2003-12-09 |
| 6651860 | Percussive striking electric tool device | Konrad Artmann, Johann Augustin, Martin Mayr | 2003-11-25 |
| 6575254 | Electrical hand operated tool driving device with an electropneumatic striking mechanism | Hans-Werner Bongers-Ambrosius, Konrad Artmann | 2003-06-10 |
| 6557653 | Working tool for a percussion power tool | Udo Hauptmann, Hanspeter Schad, Franz Popp, Josef Fünfer, Konrad Artmann +1 more | 2003-05-06 |
| 6543558 | Drilling and/or chiseling tool | Udo Hauptmann, Konrad Artmann | 2003-04-08 |
| 6520266 | Percussion electrical hand-held tool | Hans-Werner Bongers-Ambrosius, Konrad Artmann | 2003-02-18 |