DB

Douglas Blackburn

UG United States Gypsum: 1 patents #30 of 75Top 40%
📍 Damascus, MD: #2 of 7 inventorsTop 30%
🗺 Maryland: #713 of 2,889 inventorsTop 25%
Overall (2011): #314,746 of 364,097Top 90%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7918950 Low fiber calcination process for making gypsum fiberboard Marsha S. SKINNER, Robert G. Lange 2011-04-05