LS

L. Walter Sumansky

US United States Steel: 1 patents #107 of 309Top 35%
📍 Vandergrift, PA: #183 of 285 inventorsTop 65%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #4,013,070 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4509989 Cleaning method for removing sulfur containing deposits from coke oven gas lines 1985-04-09