Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6823559 | Front brush attachment device for vacuum cleaner | Dieter Kaffenberger | 2004-11-30 |
| 6796350 | Vehicle tire having non-uniformly profiled tread with respect to its center | Manfred Gerresheim, Saburo Miyabe, Hideaki Sugihara | 2004-09-28 |
| 6672351 | Vehicle tire with continously reducing vertical spacing of tread surface with respect to breaker | Manfred Gerresheim, Saburo Miyabe, Hans Winter | 2004-01-06 |
| 6672735 | Suction head for a suction cleaning device | Horst Dilger, Dieter Kaffenberger | 2004-01-06 |