3 trademarks were found for owners matching the name DUAN, ZHIZHENG.
#Classstatus
1 S:87023841
M:CHWAY
O:DUAN, ZHIZHENG
9 Dead
2 S:87013654
M:CHWTO

O:Duan Zhizheng
35 Dead
3 S:87013632
M:CHWTO

O:Duan Zhizheng
9 Dead
Trademark Alertz updated from USPTO on 2030-01-24