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Welding apparatus and process
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Patent number 5,408,065
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Issue date Apr 18, 1995
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General Motors Corporation
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Mark A. Campbell
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Welding process and apparatus
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Patent number 5,371,337
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Issue date Dec 6, 1994
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General Motors Corporation
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Mark A. Campbell
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Beam bender support unit
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Patent number 5,274,211
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Issue date Dec 28, 1993
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General Motors Corporation
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Mark A. Campbell
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Laser processing apparatus
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Patent number 5,274,212
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Issue date Dec 28, 1993
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General Motors Corporation
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Mark A. Campbell
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR