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John G. Schaefer

SU Sundstrand: 2 patents #242 of 697Top 35%
📍 Rockford, IL: #538 of 1,291 inventorsTop 45%
🗺 Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,339,112 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4777838 System for lubricating gear end faces Jerome K. Aarestad 1988-10-18
4714405 Centrifugal pump Jerome K. Aarestad, Terry L. Whitesel 1987-12-22