Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7024717 | Method and device for cleaning teeth | Alexander Hilscher, Horst Mannebach, Hansjorg Reick, Peter Trawinski, Martin Stratmann +1 more | 2006-04-11 |
| 6878328 | Methods for producing a molded part | Bernhard Boland, Götz Gardlo, Rainer Hans, Hansjorg Reick | 2005-04-12 |
| 6871373 | Bristle for a toothbrush, particularly for an electric toothbrush, and method for its manufacture | Georges Driesen, Ahmet Firatli, Rainer Hans | 2005-03-29 |
| 6786558 | Brush head and method of manufacturing such a brush head | Georges Driesen, Thomas Fritsch | 2004-09-07 |
| 6497458 | Bristle for a toothbrush | Scott Batson, Georges Driesen, Ahmet Firatli, Rainer Hans, Norbert Schaefer +2 more | 2002-12-24 |
| 6475553 | Method of manufacturing a textured toothbrush bristle | Gordon Gerald Guay, Ahmet Firatli, Norbert Schaefer, Georges Driesen, Rainer Hans | 2002-11-05 |
| 6327736 | Bristle for a toothbrush | Norbert Schaefer, Mingchih M. Tseng, Helge Zimmet, Scott Batson, Georges Driesen +2 more | 2001-12-11 |
| 6267593 | Cleansing implement and electrically powered dental cleansing device | Werner Haczek, Bernhard Boland, Peter Hilfinger | 2001-07-31 |
| 6141819 | Bristle for a toothbrush | Georges Driesen, Ahmet Firatli, Rainer Hans, Norbert Schaefer | 2000-11-07 |
| 6102700 | Cleansing implement and electrically powered dental cleansing device | Werner Haczek, Bernhard Boland, Peter Hilfinger | 2000-08-15 |
| 6094769 | Bristle for a toothbrush | Georges Driesen, Ahmet Firatli, Rainer Hans, Norbert Schaefer | 2000-08-01 |
| 6058541 | Crimped bristle toothbrush | Thomas Craig Masterman, Jeffrey S. Meessmann, Jean L. Spencer, Georges Driesen, Peter Hilfinger | 2000-05-09 |
| 5974615 | Rotary electric toothbrush with stroke-type bristle movement | Karl Herzog, Peter Hilfinger | 1999-11-02 |