DD

David Douglas

EA E.I. Du Pont De Nemours And: 1 patents #4,343 of 8,010Top 55%
📍 Glen Mills, PA: #54 of 179 inventorsTop 35%
🗺 Pennsylvania: #19,182 of 74,527 inventorsTop 30%
Overall (All Time): #1,259,618 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7112282 Fountain solution recycling system for commercial printers David Stinson, Roy Seibert, Jose A. Villarreal 2006-09-26
7087159 Fountain solution recycling system for commercial printers David Stinson, Roy Seibert, Jose A. Villarreal 2006-08-08
6908558 Fountain solution recycling system for commercial printers David Stinson, Roy Seibert, Jose A. Villarreal 2005-06-21
6405996 Control valve for extreme temperatures and pressures Albert W. Alsop, Earl W. Blackwell, John M. Iwasyk 2002-06-18