CD

Charles Henry Dufour

HD Heidelberg Druckmaschinen: 27 patents #18 of 1,510Top 2%
HH Heidelberg Harris: 4 patents #13 of 70Top 20%
GA Goss International Americas: 2 patents #53 of 136Top 40%
Harris: 2 patents #731 of 2,288Top 35%
HG Harris Graphics: 1 patents #28 of 89Top 35%
📍 Westerly, RI: #2 of 131 inventorsTop 2%
🗺 Rhode Island: #123 of 6,211 inventorsTop 2%
Overall (All Time): #114,336 of 4,157,543Top 3%
32
Patents All Time

Issued Patents All Time

Showing 26–32 of 32 patents

Patent #TitleCo-InventorsDate
5681254 Mechanism for applying a biasing force in a folder apparatus Louis John Doucet, Joel Lee 1997-10-28
5653428 Phase control system for a folder fan Paul Bolduc 1997-08-05
5647586 Method and apparatus for decelerating a flat product Michael A. Novick 1997-07-15
5603263 Scraper blade and ink scavenger for printing presses David Clarke Pollock 1997-02-18
4603336 Transfer mechanism for multiple station imaging/printing apparatus Mark F. Duchesne 1986-07-29
4520454 Makeready system Jonathan Newman 1985-05-28
4347788 Plate lockup mechanism W. Robert Gelinas, Michael J. Stankosky, Bohdan Washchynsky 1982-09-07