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Charles J. Dvorak

📍 Cosmos, MN: #5 of 7 inventorsTop 75%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #3,897,775 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4907481 Powered press with manual punch and die alignment capability Jim Dvorak 1990-03-13