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Roger Richardson

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  • Simi Valley, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Adjustable valve sleeve
    • Patent number 9,574,668
    • Issue date Feb 21, 2017
    • Aerojet Rocketdyne of DE, Inc.
    • Roger Richardson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    ADJUSTABLE VALVE SLEEVE
    • Publication number 20150300503
    • Publication date Oct 22, 2015
    • Roger Richardson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...