Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D886460 | Toothbrush | Wenjin Xi, Yanmei Ji, Bo Zhang, Kai Zhang | 2020-06-09 |
| D860653 | Toothbrush | Wenjin Xi, Yanmei Ji, Bo Zhang, Kai Zhang | 2019-09-24 |
| D814796 | Oral care implement | Wenjin Xi, Yanmei Ji, Bo Zhang, Kai Zhang | 2018-04-10 |
| D813550 | Oral care implement | Wenjin Xi, Yanmei Ji, Bo Zhang, Kai Zhang | 2018-03-27 |
| D764176 | Oral care implement | Wenjin Xi, Yanmei Ji, Bo Zhang, Kai Zhang | 2016-08-23 |
| D764177 | Oral care implement | Wenjin Xi, Yanmei Ji, Bo Zhang, Kai Zhang | 2016-08-23 |