HC

Huan-Jan Chien

Overall (2004): #61,263 of 270,089Top 25%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6779974 Device of a volute channel of a pump 2004-08-24
6736377 Structure for an oxygen adding and aeration device 2004-05-18