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David Yuan

📍 Toronto, CA: #291 of 1,037 inventorsTop 30%
Overall (2017): #442,991 of 506,227Top 90%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9839816 Ball pickup device Ping Qiu 2017-12-12