YG

Yaojin Guo

NC Niagara Conservation: 1 patents #10 of 15Top 70%
Overall (All Time): #2,013,563 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9435108 Showerhead or aerator containing pressure compensation device Huaqiang Zhou 2016-09-06
D661372 Aerator Huaqiang Zhou 2012-06-05