LS

L. H. Sperling

📍 Bethlehem, PA: #631 of 1,038 inventorsTop 65%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #4,084,893 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4254002 Tough plastics based on castor oil elastomer-reinforced vinyl polymers J. A. Manson, N. Devia-Manjarres 1981-03-03