QZ

Qinhua ZHANG

UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #2,681,724 of 4,157,543Top 65%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11452337 Walking-assisted air-jet insole Jinzhou Wang 2022-09-27