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Heyward O. Dunham

📍 Mooresville, IN: #43 of 97 inventorsTop 45%
🗺 Indiana: #13,671 of 33,936 inventorsTop 45%
Overall (All Time): #2,368,895 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4280852 Metal tube cleaning method Harry DUNHAM 1981-07-28
4244072 Metal tube cleaning apparatus Harry DUNHAM 1981-01-13