Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4696645 | Apparatus for removing plaque and stains from the surfaces of teeth | Martin Saupe, Hans Dauernheim | 1987-09-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4696645 | Apparatus for removing plaque and stains from the surfaces of teeth | Martin Saupe, Hans Dauernheim | 1987-09-29 |