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Fuel cell humidifier diagnostic
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Patent number 8,551,664
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Issue date Oct 8, 2013
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GM Global Technology Operations LLC
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Thomas W. Tighe
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Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
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Axial delash mechanism
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Patent number 7,832,936
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Issue date Nov 16, 2010
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GM Global Technology Operations, Inc.
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David E. Witucki
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Variable active area for fuel cell
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Patent number 7,601,451
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Issue date Oct 13, 2009
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GM Global Technologies Operations, Inc.
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Thomas W Tighe
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Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...