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Margaret E. Baumgartner

📍 Elburn, IL: #52 of 121 inventorsTop 45%
🗺 Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,169,919 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7059861 Math manipulative educational learning game 2006-06-13
6609712 Math manipulative educational learning game 2003-08-26