Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7644471 | Vacuum cleaner with adjoining chamber for accessory pieces | Erich Bott, Roland Illig | 2010-01-12 |
| 7480959 | Vacuum cleaner comprising a base compartment for attachments | Erich Bott, Roland Illig | 2009-01-27 |