RP

Richard J. Pratt

EN Engelhard: 1 patents #271 of 518Top 55%
📍 Thornton, NH: #2 of 5 inventorsTop 40%
🗺 New Hampshire: #7,386 of 12,181 inventorsTop 65%
Overall (All Time): #3,950,360 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4738726 Treatment of clays with cationic polymers to prepare high bulking pigments Richard A. Slepetys, Saad Nemeh, Mitchell J. Willis 1988-04-19