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Donald G. Kelstrom

UO Uop: 1 patents #1,172 of 1,854Top 65%
📍 Elmhurst, IL: #348 of 619 inventorsTop 60%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #4,058,188 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4406142 Annular corrugator John D. Williams, Lester H. Woodrich 1983-09-27