WS

Winthrop W. Seamans

📍 Hayward, CA: #679 of 1,120 inventorsTop 65%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #4,115,956 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4212920 Fireproofing composition comprising sodium silicate, gum arabic or other gum, and a water dispersible polymer selected from the class of epoxy polymers, natural latices and synthetic latices 1980-07-15