BI

Bernhard E. Van Issum

EA E.I. Du Pont De Nemours And: 1 patents #4,343 of 8,010Top 55%
📍 Geneva, CH: #514 of 946 inventorsTop 55%
Overall (All Time): #3,876,805 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5017268 Filler compositions and their use in papermaking Barbara M. Clitherow, Trevor W R Dean, John A. Gascoigne 1991-05-21