2 trademarks were found for owners matching the name DU CHENJIAN.
#Classstatus
1 S:87775707
M:SOUDIO
O:DU CHENJIAN, LI, XUEJIE
9 Registered
2 S:87765691
M:MASDIO
O:DU CHENJIAN, HUANG, XUHUA
9 Registered
Trademark Alertz updated from USPTO on 2030-01-24