DZ

Daifu Zheng

Overall (All Time): #2,902,892 of 4,157,543Top 70%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10043370 Floating touch fall alert bath mat system Liuping Le, Shangfeng Xie 2018-08-07