Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6401288 | Mechanical toothbrush with opposed dual heads and having oscillatory movement | Robert G. Dickie | 2002-06-11 |
| 6381794 | Electric toothbrush having dual heads with oscillatory movement | Robert G. Dickie | 2002-05-07 |
| 6138310 | Electric toothbrush having opposed bristle heads | Robert G. Dickie | 2000-10-31 |
| D259977 | Toothbrush | — | 1981-07-28 |