DF

Debra C. Francis

EA E.I. Du Pont De Nemours And: 1 patents #4,343 of 8,010Top 55%
📍 Sayre, PA: #70 of 90 inventorsTop 80%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #3,738,571 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5500274 Composite coating of variable thickness having a gradient coloration in the cross-web direction Siva VALLABHANENI, Bert C. Wong 1996-03-19