Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5992025 | Portable handheld work apparatus with a safety member for attaching a safety rope | — | 1999-11-30 |
| 5699865 | Antivibration device for mounting between a motor unit and a handle unit | Karl Forderer, Klaus Hoppner | 1997-12-23 |
| 5693264 | Portable working tool with internal combustion engine | — | 1997-12-02 |
| D377441 | Motor-driven chain saw | Klaus Hoppner, Michael Tinius | 1997-01-21 |