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Oval bell concept
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Patent number 4,135,740
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Issue date Jan 23, 1979
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Carrier Corporation
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James J. Watson
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Means for soldering aluminum joints
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Patent number 4,079,879
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Issue date Mar 21, 1978
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Carrier Corporation
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James J. Watson
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Oval bell concept
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Patent number 4,077,559
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Issue date Mar 7, 1978
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Carrier Corporation
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James J. Watson
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Remote heating process
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Patent number 4,050,881
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Issue date Sep 27, 1977
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Carrier Corporation
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James J. Watson
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR