CH

Chuan-Hai Huang

Overall (All Time): #1,274,026 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6464302 Structural improvement of a wheel — 2002-10-15
6176554 Roller skate wheel — 2001-01-23
D302453 Single wheel skate or similar article — 1989-07-25
4807893 Roller skate — 1989-02-28