YS

Yi-Chia Shen

Overall (All Time): #3,544,554 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6388576 Minitype alcohol excessive warning device Ko-Chien Liu, Ching-Piao Lin, Yao-Tsung Chang 2002-05-14