DS

Daniel B. Schimpf

RS R. R. Donnelley & Sons: 1 patents #132 of 291Top 50%
📍 Charleston, IL: #19 of 43 inventorsTop 45%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #3,976,279 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4672466 Operator selectable multiple gradation scanner and engraver apparatus and method — 1987-06-09