2 trademarks were found for owners matching the name Yangfei Ma.
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1 TM: 2462459
Desc: BayBio
Owner: Yangfei Ma
Class: 5
Status: Accepted: Awaiting advertisement
2 TM: 2438086
Desc: FreeHalo
Owner: Yangfei Ma
Class: 5
Status: Accepted: In opposition period