CH

Calvin J. Hallada

AM Amax: 1 patents #59 of 180Top 35%
Overall (All Time): #4,048,825 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4374100 Recovery and recycle of molybdenum values from coal liquefaction residue Roger F. Sebenik, Henry F. Barry, George A. Tsigdinos 1983-02-15