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USPTO Patent Rankings Data through Sept 30, 2025
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Michael Robert McCallum

Chicago, IL: #5,168 of 13,327 inventorsTop 40%
Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,053,177 of 4,157,543Top 50%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D707855 Wallboard trim for fluted deck ceiling — 2014-06-24
4518057 Wheelchair transporting with selectively raisable platform means — 1985-05-21

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