Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D860653 | Toothbrush | Wenjin Xi, Bo Zhang, Kai Zhang, Guangsheng Guo | 2019-09-24 |
| D840692 | Oral care implement | Wen Jin Xi, Bo Zhang, Xiangji Ding, Jianrong Zhou | 2019-02-19 |
| D840158 | Oral care implement | Wen Jin Xi, Bo Zhang, Xiangji Ding, Jianrong Zhou | 2019-02-12 |