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USPTO Patent Rankings Data through Dec 31, 2025
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Eric J. Shaffer — 1 Patent in 2016

Clinton, MI: #4 of 7 inventorsTop 60%
Michigan: #3,056 of 8,960 inventorsTop 35%
Overall (2016): #406,795 of 481,213Top 85%
1 Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9363944 Granular fertilizer dispenser apparatus 2016-06-14