Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7607197 | Vacuum cleaner with operating elements that control power | Klaus Bartsch, Andreas Schmedt, Udo Mersmann | 2009-10-27 |
| 7472453 | Vacuum cleaner | Udo Mersmann, Michael Poetting, Arne Sauerland | 2009-01-06 |
| 7251854 | Vacuum cleaner with a dust collection chamber closeable by a lid | Volker Gerth, Udo Mersmann | 2007-08-07 |