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USPTO Patent Rankings Data through Sept 30, 2025
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David Emerson

Iowa Falls, IA: #1 of 1 inventorsTop 100%
Iowa: #472 of 1,620 inventorsTop 30%
Overall (2018): #446,982 of 503,207Top 90%
1 Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9982419 Apparatus and method for heating frozen pipes 2018-05-29