4 trademarks were found for owners matching the name Hechang Yang.
#Classstatus
1 S:86608378
M:SUNBACK

O:Hechang Yang
5 Registered
2 S:86462218
M:REBUILD VIGOR

O:Hechang Yang
5 Dead
3 S:86307415
M:DIAB-OUST

O:Hechang Yang
5 Dead
4 S:86200185
M:DIAB-FREE

O:Hechang Yang
5 Dead
Trademark Alertz updated from USPTO on 2030-01-24