Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6748664 | Gear head | Klaus Langhans | 2004-06-15 |
| 5706777 | Suction air filter for a combustion engine with diaphragm carburetor | Helmut Schlessmann, Hans-Georg Wiedmann | 1998-01-13 |
| 5233945 | Portable handheld work apparatus | Gunter Wolf, Reinhold Fink | 1993-08-10 |
| 4296553 | Portable power chain saw | Karl Nitschmann | 1981-10-27 |