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USPTO Patent Rankings Data through Dec 31, 2025
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Pei Cao — 1 Patent in 2021

Newark, CA: #77 of 186 inventorsTop 45%
California: #26,007 of 66,859 inventorsTop 40%
Overall (2021): #305,366 of 548,734Top 60%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D921308 Robotic vacuum cleaner Tengteng Du, Zhaohua Lv 2021-06-01

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