CM

Chongfang Ma

Overall (All Time): #3,238,357 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7875252 Light-pipe system for lighting, ventilation and photocatalytic air purification Yuanwei Lu, Yanpeng Wu, Yuting Wu, Wei Wang 2011-01-25