LH

Leon Helfand

📍 Woodbridge, CT: #6 of 15 inventorsTop 40%
🗺 Connecticut: #462 of 1,954 inventorsTop 25%
Overall (1989): #84,017 of 140,708Top 60%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4868035 Electrical insulating materials made partly or wholly of polyester film Martin Weinberg 1989-09-19