DL

Douglas E. Lowenhaupt

US United States Steel: 1 patents #107 of 309Top 35%
📍 Beaver, PA: #160 of 238 inventorsTop 70%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #4,047,678 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4370201 Process for maintaining coal proportions in a coal blend — 1983-01-25