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Charles Henry Dufour

HD Heidelberg Druckmaschinen: 2 patents #39 of 310Top 15%
📍 Westerly, RI: #3 of 13 inventorsTop 25%
🗺 Rhode Island: #53 of 441 inventorsTop 15%
Overall (2004): #70,535 of 270,089Top 30%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6733431 Device and method for folding newspapers with flexible inserting position 2004-05-11
6684775 Printing unit with roll-away inkers Charles Reif Hammond, John Thomas Lorrey 2004-02-03