Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5214819 | Toothbrush with a brush head moved by an electromotive drive means | — | 1993-06-01 |
| 4671259 | Jet tip for an oral hygiene appliance with a single or multiple stream | — | 1987-06-09 |
| 4381603 | Dry shaver | Friedrich Schreiber | 1983-05-03 |