DE

Dennis B. Ellefson

📍 Duluth, MN: #165 of 317 inventorsTop 55%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #4,007,933 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4491307 Rotatable workpiece holding apparatus — 1985-01-01