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Frank Xi

Overall (2021): #453,770 of 548,734Top 85%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10980383 Water-absorbing cyclone dust cup for secondary dust-air separation and vacuum cleaner thereof Albert Y. Zhu, Lydo Ge, Vivien Wang 2021-04-20