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C. Roger Van Horn

📍 Waconia, MN: #1 of 4 inventorsTop 25%
🗺 Minnesota: #407 of 2,022 inventorsTop 25%
Overall (1989): #35,008 of 140,708Top 25%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4843853 Tamperproof lock for vending machines David L. Bobert 1989-07-04