HJ

Henry S. Hopkins, Jr.

📍 Ashland, OH: #84 of 159 inventorsTop 55%
🗺 Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #3,989,928 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4568701 Polyisocyanurate foams of improved friability and process of preparing same 1986-02-04