DA

Douglas G. Adolphson

EA E.I. Du Pont De Nemours And: 3 patents #2,229 of 8,010Top 30%
📍 Towanda, PA: #61 of 182 inventorsTop 35%
🗺 Pennsylvania: #23,606 of 74,527 inventorsTop 35%
Overall (All Time): #1,666,311 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5075722 Off-press laminating method James S. Millar 1991-12-24
4634658 Process for preparing surprint proof of an improved support Van B. Johnson 1987-01-06
4579810 Process for preparing surprint proof on a pearlescent support Van B. Johnson 1986-04-01