2 trademarks were found for owners matching the name Dongrong Zhang.
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1 TM: 1284308
Desc: aswell

Owner: Dongrong Zhang
Class: 29
Status: Removed
Not renewed: Renewal fee not paid
2 TM: 1281998
Desc: ASWELL

Owner: Dongrong Zhang
Class: 5, 29
Status: Removed
Not renewed: Renewal fee not paid