Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10828137 | Brush tip with motion transfer and securing engagement structures | Harold A. Luettgen | 2020-11-10 |
| 10617500 | Oral irrigator | Clifford J. Snyder, Roberta L. Callaghan | 2020-04-14 |
| D878765 | Brush head for oral cleansing device | Robert D. Wagner, Harold A. Luettgen | 2020-03-24 |