DS

Douglas Ray Stilwell

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): #2,140,647 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7639862 Method and apparatus for quantifying pigment dispersion quality by paint drawdown Robert Vincent Canning, Jr., Scott Richard Mehr, Barry Rubin, Thomas Simpson 2009-12-29
7620211 Method and apparatus for quantifying visual showthrough of printed images on the reverse of planar objects Richard Walker Browne, Robert Vincent Canning, Jr., Michael Evans, Robert W. Johnson, Barry Rubin 2009-11-17