Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4315517 | Device for cleaning teeth to prevent the formation of plaque | — | 1982-02-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4315517 | Device for cleaning teeth to prevent the formation of plaque | — | 1982-02-16 |