Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D679504 | Oral care implement | David K. Lee, Liu Yu, Ji Yan Mei, Zhang Ran, Xi Wen Jin | 2013-04-09 |
| D676245 | Oral care implement | Xi Wen Jin, Liu Yu, Ji Yan Mei | 2013-02-19 |
DJ
Ding Xiang Ji
Overall (All Time): #2,066,813 of 4,157,543Top 50%
2
Patents All Time