Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5699865 | Antivibration device for mounting between a motor unit and a handle unit | Klaus Hoppner, Gerd Fricke | 1997-12-23 |
| 5595153 | Portable handheld work apparatus having a filter case | Klaus Hoppner, Georg Lohse, Klaus-Martin Uhl | 1997-01-21 |