Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10568724 | Toothbrush comprising asymmetrically oriented tufts of bristles | Walter Hess | 2020-02-25 |
| 9572417 | Toothbrush comprising asymmetrically oriented tufts of bristles | Walter Hess | 2017-02-21 |