Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6823559 | Front brush attachment device for vacuum cleaner | Klaus-Dieter Riehl | 2004-11-30 |
| 6675438 | Vacuum-cleaner floor head | Horst Dilger, Hans-Joachim Steudtner | 2004-01-13 |
| 6672735 | Suction head for a suction cleaning device | Horst Dilger, Klaus-Dieter Riehl | 2004-01-06 |