Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7951214 | Filter cleaning system for a vacuum cleaner | Anna-Karin Gray, Finn Lofnes, Håkan Miefalk, Mattias Jansson, Anna-Karin Trydegård +3 more | 2011-05-31 |
| 7287673 | Automatic dosing device comprising a container and the use of such an automatic dosing device | Håkan Miefalk | 2007-10-30 |
| 7188754 | Automatic dosing device and the use of such an automatic dosing device | Håkan Miefalk | 2007-03-13 |
| 7097079 | Automatic dosing device with a dosing screw and the use of such an automatic dosing device | Håkan Miefalk | 2006-08-29 |