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David Barnes
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Carrollton, GA, US
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last 30 patents
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Patent Grant
Vertical shaft furnace for melting aluminum
Patent number
4,844,426
Issue date
Jul 4, 1989
Southwire Company
David Barnes
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method of melting aluminum in a vertical shaft furnace
Patent number
4,664,702
Issue date
May 12, 1987
Southwire Company
David Barnes
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...