DY

Ding-Tsai Yeh

Overall (All Time): #2,265,879 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5836477 Ball feeding device of a ball washing machine 1998-11-17
5551118 Machine for cleansing a playball 1996-09-03