Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5867862 | Vacuum cleaning appliance with telescopic handle | Heinz-Jurgen Ahlf, Ludger Helmes | 1999-02-09 |
| D386843 | Vacuum cleaner | Uwe Kemker | 1997-11-25 |
| D384783 | Vacuum cleaner | Uwe Kemker | 1997-10-07 |
| 4749386 | Safety filter for a vacuum cleaner | Horst Neugart | 1988-06-07 |
| D290418 | Carpet brush | — | 1987-06-16 |
| D290419 | Carpet brush | — | 1987-06-16 |
| D286334 | Vacuum cleaner | — | 1986-10-21 |
| D286335 | Vacuum cleaner | — | 1986-10-21 |
| 4309048 | Element for connecting an accessory instrument to a vacuum cleaner | Heinz-Jurgen Ahlf | 1982-01-05 |