DV

Donald A. Vassallo

EA E.I. Du Pont De Nemours And: 3 patents #2,229 of 8,010Top 30%
📍 Wilmington, DE: #1,229 of 3,182 inventorsTop 40%
🗺 Delaware: #2,574 of 7,163 inventorsTop 40%
Overall (All Time): #1,674,827 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4640946 Polyvinyl alcohol based wax-free size composition David W. Zunker 1987-02-03
4469754 Heat seal composition George L. Hoh 1984-09-04
4346196 Heat seal composition comprising a blend of metal neutralized polymers George L. Hoh 1982-08-24