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Duane E. Butcher

📍 Absarokee, MT: #2 of 4 inventorsTop 50%
🗺 Montana: #1,498 of 3,198 inventorsTop 50%
Overall (All Time): #4,118,435 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4219213 Spare wheel apparatus — 1980-08-26