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David A. Van Doren

Hays, KS: #1 of 4 inventorsTop 25%
Kansas: #81 of 472 inventorsTop 20%
Overall (1997): #160,958 of 185,788Top 90%
1 Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5667192 Concrete panel construction and mold — 1997-09-16

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