Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11103056 | Oral care implement and filament therefor | Douglas Hohlbein | 2021-08-31 |
| 11023770 | Systems and methods for obtaining templates for tessellated images | Tian Qiu, Junlin Chen | 2021-06-01 |
| 10966516 | Toothbrush with light transmissive handle | Douglas Hohlbein | 2021-04-06 |
| 10952526 | Toothbrush with visual and/or other sensory effects | Douglas Hohlbein, Kenneth Waguespack, Al Sprosta, Wen Jin Xi, Xiang Ji Ding | 2021-03-23 |
| 10925384 | Oral care implement | Douglas Hohlbein | 2021-02-23 |