KS

Kwok-Kuen Sham

📍 Toronto, CA: #74 of 401 inventorsTop 20%
Overall (2003): #174,874 of 273,478Top 65%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6507971 Training toothbrush — 2003-01-21