Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D886460 | Toothbrush | Yanmei Ji, Bo Zhang, Kai Zhang, Guangsheng Guo | 2020-06-09 |
WX
Wenjin Xi
Overall (2020): #227,179 of 565,922Top 45%
1
Patents 2020