YL

Yuefang Liu

UN Unknown: 4 patents #4,220 of 83,584Top 6%
📍 Xingning, CN: #9 of 18 inventorsTop 50%
Overall (All Time): #3,551,817 of 4,157,543Top 90%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6422611 Contractible joint device for metal conduit Jiesheng Jin, Yushi Zhou, Chicheng Luo, Gengwu LI, Jiajing Pan +10 more 2002-07-23