DO

David L. Orals

UG United States Gypsum: 2 patents #163 of 432Top 40%
📍 Arlington Heights, IL: #620 of 1,285 inventorsTop 50%
🗺 Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,370,478 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4275541 Fire resistant floor and ceiling assembly Peter S. Bushey 1981-06-30
4266384 Fire resistant ceiling furring system James D. Laffoon 1981-05-12