HH

Harry D. Hatters

JS Jones & Laughlin Steel: 1 patents #7 of 17Top 45%
📍 Pittsburgh, PA: #4,559 of 7,570 inventorsTop 65%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #4,113,553 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4207145 Method to control carbon formation and temperature in the free space of coke oven chambers Joseph M. Stoll 1980-06-10