Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D679504 | Oral care implement | David K. Lee, Liu Yu, Ding Xiang Ji, Ji Yan Mei, Xi Wen Jin | 2013-04-09 |
ZR
Zhang Ran
Overall (All Time): #3,154,991 of 4,157,543Top 80%
1
Patents All Time