DI

Donald P. Iwanski

PI Ppg Industries: 1 patents #662 of 1,216Top 55%
📍 Washington, PA: #320 of 552 inventorsTop 60%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #3,981,676 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4692335 Calcium hypochlorite tablet — 1987-09-08