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High speed test fixture
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Patent number 5,923,176
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Issue date Jul 13, 1999
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NCR Corporation
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Warren W. Porter
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G01 - MEASURING TESTING
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Mass pin alignment tool
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Patent number 5,123,457
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Issue date Jun 23, 1992
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NCR Corporation
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Warren W. Porter
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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Refrigerated plug-in module
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Patent number 4,950,181
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Issue date Aug 21, 1990
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NCR Corporation
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Warren W. Porter
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H01 - BASIC ELECTRIC ELEMENTS
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Foldable printed circuit board
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Patent number 4,928,206
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Issue date May 22, 1990
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NCR Corporation
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Warren W. Porter
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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Differential temperature seal
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Patent number 4,865,331
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Issue date Sep 12, 1989
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NCR Corporation
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Warren W. Porter
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Cryogenic liquid pump
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Patent number 4,852,357
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Issue date Aug 1, 1989
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NCR Corporation
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Warren W. Porter
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F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
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Cryogenic fluid transfer conduit
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Patent number 4,745,760
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Issue date May 24, 1988
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NCR Corporation
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Warren W. Porter
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F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
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