Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7736408 | Removable dust collecting receptacle | Armin Böck, Michael Krammer | 2010-06-15 |
| 7445655 | Removable dust collector | Armin Böck, Michael Krammer | 2008-11-04 |
| 7118607 | Filter stop for a vacuum cleaner | Erich Bott, Roland Illig, Wolfgang Kemmerzell | 2006-10-10 |
| 7076832 | Vacuum cleaner with pivotal fixture for dust bag reinforcing plate in a dust bag compartment | Wilma Albert, Herbert Kess, Sebastian Räder, Andreas Schlereth, Thomas Seith | 2006-07-18 |