YS

Yung-Sen Su

Overall (2004): #32,937 of 270,089Top 15%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6742442 Coffee maker structure 2004-06-01
6679163 Structure of a roasting device 2004-01-20