2 trademarks were found for owners matching the name Tzu Hsuan Chang.
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1 TM: 2185360
Desc: ABC EYES2LEARN
Owner: Tzu-Hsuan Chang
Class: 44
Status: Registered: Registered/protected
2 TM: 1752813
Desc: EYES4EVEREST
Owner: Tzu-Hsuan Chang
Class: 39
Status: Registered: Registered/protected