Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9402520 | Vacuum cleaning apparatus having a vacuum cleaning unit and a filter bag | Ralf Sauer | 2016-08-02 |
| 9232879 | Retaining plate for a vacuum cleaner filter bag | Ralf Sauer | 2016-01-12 |