2 trademarks were found for owners matching the name ZHENG CHANGDUAN.
#Classstatus
1 S:87514371
M:SEEKAY
O:ZHENG CHANGDUAN
25 Dead
2 S:87263148
M:PETKUGUO
O:Zheng ChangDuan
18 Dead
Trademark Alertz updated from USPTO on 2030-01-24