Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9016246 | Portable handheld work apparatus having an internal combustion engine | Jan Kurzenberger, Thorsten Hecht, Stefan Kummermehr | 2015-04-28 |
| 8356805 | Carburetor for an internal combustion engine | Stefan Kummermehr, Stefan Borchert, Alexander Kraus | 2013-01-22 |