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USPTO Patent Rankings Data through Dec 31, 2025
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Eric J. Chalmers — 1 Patent in 2017

Minneapolis, MN: #201 of 687 inventorsTop 30%
Minnesota: #2,630 of 7,066 inventorsTop 40%
Overall (2017): #430,269 of 506,227Top 85%
1 Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9687884 Slat cleaning tool David Fox, Brent A. Erickson 2017-06-27