DM

Douglas Matthews

EA E.I. Du Pont De Nemours And: 1 patents #4,343 of 8,010Top 55%
📍 Circleville, OH: #26 of 79 inventorsTop 35%
🗺 Ohio: #30,338 of 73,341 inventorsTop 45%
Overall (All Time): #2,263,911 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5803709 Axial flow fan John McBride, Tim Sutton 1998-09-08
4401336 Hollow core holder 1983-08-30