DY

Duan Yao

📍 Wang'an Town, TW: #135 of 480 inventorsTop 30%
Overall (All Time): #2,054,207 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8776824 Sanitary automatic water leakage detection and shut-off apparatus — 2014-07-15
8296872 Apparatus for washing anuses — 2012-10-30