YZ

Yangfeng Zeng

📍 Yiwu, CN: #1 of 15 inventorsTop 7%
Overall (2021): #97,114 of 548,734Top 20%
2
Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

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