HM

Hongfei Ma

AS A. O. Smith: 1 patents #4 of 13Top 35%
Overall (2017): #398,870 of 506,227Top 80%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9587854 Low NOx burner for a water heater Yonghua Cheng, Liliang Dou, Larry Chanasyk, Dayan Bi 2017-03-07