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Aluminium batteries
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Patent number 5,004,654
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Issue date Apr 2, 1991
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Alcan International Limited
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John A. Hunter
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Welding aluminium alloys
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Patent number 4,943,492
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Issue date Jul 24, 1990
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Alcan International Limited
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Nigel J. H. Holroyd
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Aluminium batteries
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Patent number 4,942,100
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Issue date Jul 17, 1990
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Alcan International Limited
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John A. Hunter
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Welded aluminum alloy composite
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Patent number 4,880,709
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Issue date Nov 14, 1989
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Alcan International Limited
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Nigel J. H. Holroyd
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR