YO

Yaocai Ou

Overall (2004): #84,841 of 270,089Top 35%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6695333 Chainless transmission mechanism for bicycles Yongqiang Huang, Jinhong Zhang, Weihua Ruan, Shaofang Wu, Ronghua Xiao 2004-02-24