2 trademarks were found for owners matching the name Yang Chenggong.
#Classstatus
1 S:90706938
M:DIOIOLLY
O:Yang Chenggong
25 Registered
2 S:90702143
M:DIOIOLLY
O:Yang Chenggong
18 Registered
Trademark Alertz updated from USPTO on 2030-01-24