CK

Clark W. Keller

AA Aluminum Company Of America: 2 patents #290 of 1,017Top 30%
📍 Leechburg, PA: #17 of 55 inventorsTop 35%
🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%
Overall (All Time): #2,306,255 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5078964 Method of alloying feed material into molten metal Eric D. Arndt, John M. Urbanic, C. Ricardo Sammy 1992-01-07
5076548 Commutation means for on-line alloying Eric D. Arndt, John M. Urbanic, Cecilio R. Sammy, Charles E. Eckert, William D. Tackett 1991-12-31