DL

Douglas C. Littlefield

📍 Grand Isle, VT: #11 of 18 inventorsTop 65%
🗺 Vermont: #3,027 of 4,968 inventorsTop 65%
Overall (All Time): #3,782,015 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5458095 Air pump-assisted hydrogen/oxygen fuel cell for use with internal combustion engine Donald R. Post 1995-10-17