2 trademarks were found for owners matching the name Yang Weihong.
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1 TM: 2362741
Desc: O ODORSEAL
Owner: YANG WEIHONG
Class: 16
Status: Protected: Registered/protected
2 TM: 2382598
Desc: OdorSeal
Owner: YANG WEIHONG
Class: 16
Status: Published: Awaiting indexing