Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7377000 | Toothbrush | Thomas Fritsch, Michael Harms, Armin Schwarz-Hartmann | 2008-05-27 |
| 7162764 | Toothbrush | Thomas Fritsch, Michael Harms, Armin Schwarz-Hartmann | 2007-01-16 |
| 5850655 | Electric toothbrush | Wolfgang Gocking, Georges Driesen | 1998-12-22 |
| 5732433 | Electric toothbrush | Wolfgang Gocking, Georges Driesen | 1998-03-31 |
| 5577285 | Electric toothbrush with rotary bristle supporting structure | — | 1996-11-26 |