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Drive wheel unit
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Patent number 4,838,170
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Issue date Jun 13, 1989
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McDermott International, Inc.
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Jan Illakowicz
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B61 - RAILWAYS
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Internal flash removal unit
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Patent number 4,822,221
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Issue date Apr 18, 1989
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McDermott Incorporated
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Jan Illakowicz
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Flexible conductor for welding
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Patent number 4,675,473
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Issue date Jun 23, 1987
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McDermott Incorporated
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Jan Illakowicz
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR