2 trademarks were found for owners matching the name YANG, ZHENGFA.
#Classstatus
1 S:90009663
M:ADAURIS
O:He Hu, YANG, ZHENGFA
9 Registered
2 S:87457777
M:GPPOWER
O:YANG ZHENGFA
11 Dead
Trademark Alertz updated from USPTO on 2030-01-24