2 trademarks were found for owners matching the name Chang, Duk Chun.
#Classstatus
1 S:74402348
M:POINT
O:CALYX TECHNOLOGY, INC., Chang, Duk Chun
9 Registered
2 S:74402349
M:CALYX
O:CALYX TECHNOLOGY, INC., Chang, Duk Chun
9 Registered
Trademark Alertz updated from USPTO on 2030-01-24