Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6675438 | Vacuum-cleaner floor head | Hans-Joachim Steudtner, Dieter Kaffenberger | 2004-01-13 |
| 6672735 | Suction head for a suction cleaning device | Dieter Kaffenberger, Klaus-Dieter Riehl | 2004-01-06 |