Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4330900 | Vacuum cleaner with filling-condition indicator | Manfred Dorr, Paul-Ulrich Uibel | 1982-05-25 |
| 4221019 | Floorcare device | Jurgen Jager | 1980-09-09 |
| 4180887 | Vacuum-cleaner attachment | Egon Wudel | 1980-01-01 |