2 trademarks were found for owners matching the name Guo, Yongchang.
#Classstatus
1 S:90224396
M:GYYYTZ
O:Guo, Yongchang
21 Registered
2 S:90224683
M:CHUQNMN
O:Guo, Yongchang
21 Registered
Trademark Alertz updated from USPTO on 2030-01-24