2 trademarks were found for owners matching the name Yuchang Chen.
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1 TM: 1917323
Desc: LAMTOR
Owner: YuChang Chen
Class: 21
Status: Registered: Registered/protected
2 TM: 1915944
Desc: PETBOBI
Owner: YuChang Chen
Class: 18
Status: Registered: Registered/protected