JP

Joseph F. Porinchak

W& W. R. Grace &: 2 patents #100 of 433Top 25%
📍 Spartanburg, SC: #230 of 569 inventorsTop 45%
🗺 South Carolina: #5,775 of 15,501 inventorsTop 40%
Overall (All Time): #2,339,261 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4780446 Alumina-silica cogel Richard J. Nozemack 1988-10-25
4278738 Ethylene-vinyl acetate copolymer film laminate Harri J. Brax, Alan S. Weinberg 1981-07-14