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Alvin W. Day

📍 Williamstown, VT: #1 of 1 inventorsTop 100%
🗺 Vermont: #34 of 182 inventorsTop 20%
Overall (1989): #133,845 of 140,708Top 100%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4833875 Roller chain assembling device Henry Buermann 1989-05-30