QG

Qingyuan Guo

📍 Ji County, CN: #3 of 11 inventorsTop 30%
Overall (All Time): #2,392,361 of 4,157,543Top 60%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D1063398 Electric spin brush — 2025-02-25