Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7993067 | Structural arrangement for a fluid-dispensing power toothbrush | Scott E. Hall, Paul Gruber, Friedrich Stoeffler | 2011-08-09 |
| 7987544 | Brushhead attachment system for a power toothbrush | Friedrich Stoeffler, Daniel Joseph Greene, Ronald C. Lilley | 2011-08-02 |