Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7690067 | Brush attachment for an electric toothbrush | Norbert Schaefer, Reiner Engelmohr, Hansjorg Reick | 2010-04-06 |
| D504569 | Set of bristles for a toothbrush | Georges Driesen, Norbert Schaefer, Reiner Engelmohr | 2005-05-03 |
| D501084 | Portion of a toothbrush | Norbert Schaefer, Georges Driesen, Reiner Engelmohr, Hansjorg Reick, Duy Phong Vu | 2005-01-25 |