WV

William E. Velvel

EA E.I. Du Pont De Nemours And: 2 patents #2,942 of 8,010Top 40%
📍 Wilmington, DE: #1,519 of 3,182 inventorsTop 50%
🗺 Delaware: #3,234 of 7,163 inventorsTop 50%
Overall (All Time): #2,332,749 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4860610 Wound rotor element and centrifuge fabricated therefrom Peter Popper 1989-08-29
4659325 Centrifuge rotor having a flexible carrier Paul M. Cole, William G. Johanson, Ronald F. McConnell, Peter Popper 1987-04-21