HL

Harold F. Lewis

PI Ppg Industries: 1 patents #64 of 184Top 35%
📍 New Kensington, PA: #5 of 12 inventorsTop 45%
🗺 Pennsylvania: #570 of 2,652 inventorsTop 25%
Overall (1982): #60,938 of 81,411Top 75%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4339503 Protection of polycarbonate from ultraviolet radiation Thomas G. Rukavina 1982-07-13