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Xianzhen Piao

AI Anisa International: 3 patents #8 of 17Top 50%
Overall (All Time): #1,539,165 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8371313 Brushes with interchangeable heads — 2013-02-12
8132285 Brushes with retractable removable heads — 2012-03-13
8074666 Brushes with interchangeable heads — 2011-12-13