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Vernon Siefert — 1 Patent

Du Quoin, IL: #1 of 3 inventorsTop 35%
Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #3,514,226 of 4,157,543Top 85%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6578278 Saddle protractor 2003-06-17