IC

Isabelita H. Chen

📍 Quezon City, PH: #6 of 32 inventorsTop 20%
Overall (All Time): #3,901,086 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4919014 Bottle closure opener Joseph Chen 1990-04-24