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Andrew Michael Barrett

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  • Marshfield, MO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Resonance generating muffler
    • Patent number 9,422,843
    • Issue date Aug 23, 2016
    • Michael Wayne Barrett
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    Resonance Generating Muffler
    • Publication number 20150068834
    • Publication date Mar 12, 2015
    • Michael Wayne Barrett
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES