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Heating panel
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Patent number 4,071,737
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Issue date Jan 31, 1978
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Kennecott Copper Corporation
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David W. Marshall
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H01 - BASIC ELECTRIC ELEMENTS
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Copper filled conductive epoxy
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Patent number 3,983,075
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Issue date Sep 28, 1976
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Kennecott Copper Corporation
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David W. Marshall
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H01 - BASIC ELECTRIC ELEMENTS
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Method for removal of sulfur from coal
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Patent number 3,960,513
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Issue date Jun 1, 1976
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Kennecott Copper Corporation
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Jagdish Chandra Agarwal
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...