Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9585532 | Brush roller of a floor cleaning device | Achim Liffers | 2017-03-07 |
| 7266861 | Adjustable brush roller accessory for vacuum cleaner or the like | Thomas Stein | 2007-09-11 |