Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7874041 | Suction tube for a vacuum cleaner | Dirk Wegener | 2011-01-25 |
| 7740707 | Method for operating a vacuum cleaner | Andre Bertram, Markus Druecker, Guenther Ennen, Seyfettin Kara, Stephan Koch +4 more | 2010-06-22 |
| 7344393 | Electric plug comprising a plug housing and at least two integrated plug-in contacts with an ejection mechanism | Andreas Schmedt, Dirk Wegener | 2008-03-18 |