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Michael J. Bergey

📍 Lewiston, NY: #43 of 99 inventorsTop 45%
🗺 New York: #48,759 of 115,490 inventorsTop 45%
Overall (All Time): #2,308,838 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5108227 Telescoping frostproofing sleeve expandable to frost depths of area — 1992-04-28
5076730 Earth duct tunnel enlargement apparatus and method — 1991-12-31