FD

Francis J. Duszak

📍 Landenberg, PA: #164 of 238 inventorsTop 70%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #4,008,355 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4492781 Method and composition for maintaining and repairing asphalt-and rubber-containing surfaces James P. Modrak, Dick Deaver 1985-01-08