Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10034731 | Oral care appliance using pulsed fluid flow and mechanical action | Yu-Wen Chang | 2018-07-31 |
| 9931186 | Oral care appliance using a jet-type fluid flow and mechanical action | Yu-Wen Chang | 2018-04-03 |