Kwok-Kuen Sham

📍 Toronto, CA: #89 of 376 inventorsTop 25%

Overall (2002): #170,210 of 266,432Top 65%

Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6457201	Training toothbrush	—	2002-10-01