YC

Yi-Chen Chi

Overall (1989): #12,584 of 140,708Top 9%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4850456 Quick adjusting device for bicycle brake cable 1989-07-25
4810040 Bracket bearing axle device for bicycle 1989-03-07