CE

Cyril C. H. Evans

📍 Markham, CA: #922 of 1,673 inventorsTop 60%
Overall (All Time): #3,898,437 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4909621 Method of making hydrogel contact lenses having aspheric front surfaces — 1990-03-20