JL

James D. Laffoon

UG United States Gypsum: 1 patents #247 of 432Top 60%
📍 Des Plaines, IL: #489 of 807 inventorsTop 65%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #4,089,112 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4266384 Fire resistant ceiling furring system David L. Orals 1981-05-12