Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4743199 | Method and tooth brush for the removal of plaque from teeth and gums | Hans Weber | 1988-05-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4743199 | Method and tooth brush for the removal of plaque from teeth and gums | Hans Weber | 1988-05-10 |