JH

John D. Halm

UG United States Gypsum: 1 patents #247 of 432Top 60%
📍 Lindenhurst, IL: #168 of 254 inventorsTop 70%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #3,479,954 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6740395 Substrate smoothed by coating with gypsum-containing composition and method of making Aida L. Carbo, Michael R. Lynn, Richard B. Stevens, Charles J. Miller, Peter M. Attard +1 more 2004-05-25