DF

Donald W. Fyfe

📍 Hollis, NH: #166 of 312 inventorsTop 55%
🗺 New Hampshire: #5,349 of 12,181 inventorsTop 45%
Overall (All Time): #2,351,277 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4527618 Solar energy storage and distribution system with heat pump assist Franklin S. Hoyt 1985-07-09
4494526 Temperature sensing William C. Wurst 1985-01-22