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Roger C. Underwood

BU Becker Underwood: 1 patents #5 of 9Top 60%
📍 Ames, IA: #854 of 1,427 inventorsTop 60%
🗺 Iowa: #8,735 of 15,303 inventorsTop 60%
Overall (All Time): #3,904,672 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4932156 Method of controlling the color of mulch — 1990-06-12