YD

Yanli Duan

AS A. O. Smith: 1 patents #115 of 319Top 40%
Overall (All Time): #2,618,371 of 4,157,543Top 65%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11808453 Gas mixing device and gas water heating device Ziwen Fu, Xin Cao 2023-11-07