2 trademarks were found for owners matching the name Dongguan Poweramp Technology Limited.
#Classstatus
1 S:79315519
M:POWERAMP

O:DONGGUAN POWERAMP TECHNOLOGY LIMITED
9 Dead
2 S:90486330
M:POWERAMP

O:Dongguan Poweramp Technology Limited
9 Dead
Trademark Alertz updated from USPTO on 2030-01-24