Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5344317 | Electrically powered appliance for oral hygiene | Gustav Gassner, Gottfried Voigt, Peter Hilfinger | 1994-09-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5344317 | Electrically powered appliance for oral hygiene | Gustav Gassner, Gottfried Voigt, Peter Hilfinger | 1994-09-06 |