DW

David W. Woodward

EA E.I. Du Pont De Nemours And: 1 patents #4,343 of 8,010Top 55%
📍 Hershey, PA: #111 of 201 inventorsTop 60%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #4,115,462 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4211837 Photographic silver halide element with opaque backing layer Ralph Kingsley Blake, deceased, James G. Morgan 1980-07-08