HK

Herbert E. Knechtel

US United States Steel: 1 patents #107 of 309Top 35%
📍 Monroeville, PA: #445 of 710 inventorsTop 65%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #4,117,194 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4216033 Method of nitriding steel Harry H. Podgurski 1980-08-05