RH

Robert E. Hagedorn

US United States Steel: 1 patents #107 of 309Top 35%
📍 Irwin, PA: #138 of 245 inventorsTop 60%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #4,095,866 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4286792 Self-replenishing seal for the gas offtake piping of a coke oven and sealing method Alphonse T. Lobue, Joseph G. Uhlman 1981-09-01