SG

Stuart T. Greenfield

📍 Ellsworth, IA: #2 of 4 inventorsTop 50%
🗺 Iowa: #8,735 of 15,303 inventorsTop 60%
Overall (All Time): #4,072,336 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4338067 Alternating piston machine with rotating end walls and chain drive — 1982-07-06