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John D. Swearingin

Carrollton, MO: #1 of 1 inventorsTop 100%
Missouri: #96 of 645 inventorsTop 15%
Overall (1982): #19,646 of 81,411Top 25%
1 Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4312298 Hog feeding device of improved durability — 1982-01-26

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