KC

Kwangling Chang

📍 Toronto, CA: #38 of 155 inventorsTop 25%
Overall (1989): #85,302 of 140,708Top 65%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4796370 Numerical display module — 1989-01-10