Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8695153 | Surface cleaning head and surface cleaning arrangement | Stefan Schilpp | 2014-04-15 |
| 8474093 | Suction appliance for cleaning purposes | — | 2013-07-02 |
| 7600698 | Cleaning head and surface cleaning device comprising said type of cleaning head | — | 2009-10-13 |
| 5951746 | Suction device for cleaning purposes | Peter Langer | 1999-09-14 |