DD

Dapeng Duan

PM Penn Engineering & Manufacturing: 2 patents #2 of 9Top 25%
Overall (2023): #163,928 of 537,848Top 35%
2
Patents 2023

Issued Patents 2023

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11821450 Rivet Qiang Sun, Shengbao Cai, Yong Wu, Xiaofei Yan 2023-11-21
11703076 Clinch fastener with a spiral shank Qiang Sun, Larry Zhang 2023-07-18