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Sliding valve aspiration
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Patent number 8,776,756
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Issue date Jul 15, 2014
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Grace Capital Partners, LLC
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Gary W. Cotton
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Sliding valve aspiration
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Patent number 8,459,227
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Issue date Jun 11, 2013
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Grace Capital Partners, LLC
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Gary W. Cotton
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Sliding valve aspiration system
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Patent number 8,210,147
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Issue date Jul 3, 2012
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Grace Capital Partners, LLC
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Gary W. Cotton
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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87124699 - GLIDEVALVE
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Serial number 87124699
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Filing date Aug 2, 2016
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Grace Capital Partners, LLC
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7 - Machines and machine tools