SH

Sheldon Helfman

📍 West Haven, CT: #144 of 234 inventorsTop 65%
🗺 Connecticut: #21,355 of 34,797 inventorsTop 65%
Overall (All Time): #3,907,604 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4942752 Apparatus for reforming and restoring the surface of a cylindrical workpiece manually — 1990-07-24