YW

Yeng-Jung Weng

Overall (All Time): #3,560,180 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6463596 Simple structured water-saving device of stool water box Shu-Lian Weng 2002-10-15