ZM

Zongjie Ma

Overall (All Time): #1,451,058 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D884893 Electrical dental calculus remover 2020-05-19
D868992 UVC LED sterilizer 2019-12-03
D855182 Electrical dental calculus remover 2019-07-30