Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6650866 | Transfer apparatus | David K. Ahl, Douglas McKeown, Robert A. Gross, Michael G. Petranto | 2003-11-18 |
| 6623698 | Saliva-monitoring biosensor electrical toothbrush | — | 2003-09-23 |
| 6599048 | Toothbrush for massaging and protecting gums | — | 2003-07-29 |
| 6556805 | Dual cam set transfer assist blade system | Douglas McKeown, David K. Ahl, Robert A. Gross | 2003-04-29 |