DH

Dennis L. Hardesty

UG United States Gypsum: 1 patents #247 of 432Top 60%
📍 Wheeling, IL: #240 of 399 inventorsTop 65%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #3,965,940 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4634498 Method for the production of high density fiberboard Timothy Hanna, Frank J. Wendt, Kendall D. White, Jr. 1987-01-06