2 trademarks were found for owners matching the name Ding Guochun.
#Classstatus
1 S:87492228
M:DESCHEM
O:Ding Guochun
9 Registered
2 S:87001860
M:DESCHEM
O:Ding Guochun
9 Dead
Trademark Alertz updated from USPTO on 2030-01-24