TREA

Roy C. Emmes

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  • Menominee, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pneumatic time delay valve
    • Patent number 3,990,516
    • Issue date Nov 9, 1976
    • The Ansul Company
    • Bruce C. Christensen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...