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Salt-based melting process
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Patent number 5,057,194
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Issue date Oct 15, 1991
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Aluminum Company of America
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Donald L. Stewart
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C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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Aluminum-lithium scrap recovery
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Patent number 4,758,316
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Issue date Jul 19, 1988
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Aluminum Company of America
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Donald L. Stewart
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C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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Magnesium reclamation process and apparatus
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Patent number 4,065,299
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Issue date Dec 27, 1977
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Teledyne Industries, Inc.
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Gregory Todhunter Roberts
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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3873305
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Patent number 3,873,305
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Issue date Mar 25, 1975
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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3634066
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Patent number 3,634,066
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Issue date Jan 11, 1972
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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3380802
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Patent number 3,380,802
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Issue date Apr 30, 1968
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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2869999
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Patent number 2,869,999
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Issue date Jan 20, 1959
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...