JY

Jingzhan Yang

AS A. O. Smith: 1 patents #115 of 319Top 40%
Overall (All Time): #2,844,349 of 4,157,543Top 70%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10215403 Gas premix burner and gas water heater Ruihong WEI 2019-02-26