Issued Patents 2002
Showing 1–2 of 2 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 |