Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6871374 | Low friction toothbrush | Susan Loudin, Charles F. Nelson, Kwai-Yung Su | 2005-03-29 |
| 6311359 | Tapered brush bristles with clay or silica additive and brushes made therefrom | — | 2001-11-06 |
| 5976692 | Natural bristle replacement for cosmetic and other brushes | Robert L. Rackley | 1999-11-02 |