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Eric Holtkamp

Humboldt, IA: #1 of 2 inventorsTop 50%
Iowa: #283 of 1,090 inventorsTop 30%
Overall (2004): #227,341 of 270,089Top 85%
1 Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6722972 Safety release for curtains used in livestock confinement buildings — 2004-04-20

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