YL

Yiu Tak Leung

Overall (All Time): #3,041,796 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8973301 Environment-friendly planting device with automatic percolation and irrigation of hermetic liquid 2015-03-10