2 trademarks were found for owners matching the name Chang Woon Yang.
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1 TM: 826602
Desc: B-COOL HATS

Owner: Chang Woon Yang
Class: 25
Status: Removed
Not renewed: Renewal fee not paid
2 TM: 806218
Desc: OZ COOL HAT

Owner: Chang Woon Yang
Class: 25
Status: Lapsed: Not accepted