ZZ

Zhongshu Zheng

Overall (All Time): #1,941,804 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10342726 Multi-functional activity management system for elderly 2019-07-09
10064780 Multi-functional activity management system for elderly 2018-09-04