HD

Howard K. Dearborn

📍 Fryeburg, ME: #356 of 504 inventorsTop 75%
🗺 Maine: #2,311 of 4,281 inventorsTop 55%
Overall (All Time): #4,074,205 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4344411 Heat exchanger for space heaters 1982-08-17