2 trademarks were found for owners matching the name CHIH-YAO CHANG.
#Classstatus
1 S:86825264
M:PROFESSIONAL LEADER OF ANTENNA IN COMMUNICATION

O:CHIH-YAO CHANG
9 Registered
2 S:86018181
M:PROFESSIONAL LEADER OF ANTENNA IN COMMUNICATION WIRELESS FAMILY

O:CHIH-YAO CHANG, WIRELESS FAMILY INTERNATIONAL EXPOLITAION CO., LTD
9 Registered
Trademark Alertz updated from USPTO on 2030-01-24