YZ

Yangfeng Zeng

📍 Yiwu, CN: #28 of 91 inventorsTop 35%
Overall (All Time): #1,886,379 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D934412 Mask support frame 2021-10-26
D928936 Face mask 2021-08-24