Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5344317 | Electrically powered appliance for oral hygiene | Lothar Pacher, Gottfried Voigt, Peter Hilfinger | 1994-09-06 |
| 5311633 | Electric power driven toothbrush | Karl Herzog | 1994-05-17 |