Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5901397 | Toothbrush having a brush holder movable against spring force | Peter Hafele, Gerardus Joannes Henricus Roddeman | 1999-05-11 |
| 5836030 | Dental cleaning device and attachment for such a device | Hendrik P. Hazeu, Erich Krammer | 1998-11-17 |
| 5058270 | Dry shaving apparatus interrupting motor circuit as shear foil and shaving head are exposed | Hans Deubler, Ingo Muller | 1991-10-22 |
| 4926551 | Dry-shaving apparatus comprising at least one shutter which is slidable on the apparatus housing | — | 1990-05-22 |
| 4901436 | Shutter for a dry-shaving apparatus and method of manufacturing a shutter | Peter Gosch, Albert Klemen | 1990-02-20 |
| 4891880 | Dry-shaving apparatus comprising at least one slidable shutter | Ernst Poganitsch | 1990-01-09 |
| 4862589 | Dry-shaving apparatus comprising a slidable shutter | — | 1989-09-05 |