Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6488913 | Two-part composition for high efficacy teeth whitening comprising a mixture of peroxides and/or percarbonates of metals | David V. Butler | 2002-12-03 |
| 6447757 | Teeth whitening composition with increased bleaching efficiency and storage stability | David V. Butler, Amy P. Noss | 2002-09-10 |
| 6365134 | Process and composition for high efficacy teeth whitening | David V. Butler | 2002-04-02 |