Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D635775 | Toothbrush handle | Russell G. Kalbfeld, Hidekuni Takano, Erik Weinberg | 2011-04-12 |
| D634934 | Toothbrush handle | Russell G. Kalbfeld, Hidekuni Takano, Erik Weinberg | 2011-03-29 |