YL

Yaojuan LIANG

ZT Zte: 1 patents #1,433 of 3,593Top 40%
Overall (All Time): #2,956,149 of 4,157,543Top 75%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9713111 Method, device and system for recording attendance 2017-07-18