TREA

Michael D. Howerton

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  • Etna, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Combinational valve system
    • Patent number 7,647,944
    • Issue date Jan 19, 2010
    • Michael D. Howerton
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...