QZ

Qingping Zhuan

📍 Vaughan, CA: #14 of 53 inventorsTop 30%
Overall (2004): #135,750 of 270,089Top 55%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6721986 Electric toothbrush 2004-04-20