Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10398217 | Personal hygiene device having treatment-force-measurement unit | Norbert Schaefer, Martin Haas, Christian Probst, Stefan Meier | 2019-09-03 |
| 9358088 | Oral hygiene implement and oral hygiene device | Norbert Schaefer | 2016-06-07 |
| 7503117 | Electric hair cutting appliances | Matthias Wetzel, Norbert Kreutz, Volker Stenger, Matthias Matern | 2009-03-17 |
| 7409960 | Cleaning fluid container | Jurgen Hoser | 2008-08-12 |
| 7066881 | Spreading laryngoscope | Helmut Heckele | 2006-06-27 |