PD

Paul F. Duffer

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): #39,828 of 81,411Top 50%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4360544 Organotin surface treatment and interleaving material for glass sheets Helmut Franz, Joseph D. Kelly 1982-11-23