DB

Dayan Bi

AS A. O. Smith: 1 patents #8 of 38Top 25%
Overall (2020): #504,716 of 565,922Top 90%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10823400 Multi-cavity gas and air mixing device Shiping Zhang, Ruihong WEI 2020-11-03