About 1 Trademarks found that are owned by Yuanfeng Zhu

Hematimeters; Blood oxygen monitors; Medical apparatus and instruments for monitoring blood oxygen saturation, blood gas concentrations, and vital signs; Medical apparatus and instruments for monitoring blood oxygen saturation, blood gas concentrations, vital signs and respiratory events; Medical devices for monitoring blood oxygen saturation, blood gas concentrations and vital signs; Medical devices, namely, pulse oximeters; Pulse oximeters for medical purposes