YL

Youth Lee

Overall (2004): #33,694 of 270,089Top 15%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6729341 Control apparatus for an automatic-opened umbrella 2004-05-04
6708704 Structure for automatic opening umbrella 2004-03-23