TREA

Nick Valk

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  • Greeneville, TN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Automatic drain valve
    • Patent number 4,574,829
    • Issue date Mar 11, 1986
    • Drain-All, Inc.
    • Ernie W. Cummings
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Automatic drain valve
    • Patent number 4,562,855
    • Issue date Jan 7, 1986
    • Ernie W. Cummings
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Automatic drain trap
    • Patent number 4,444,217
    • Issue date Apr 24, 1984
    • Drain-All, Inc.
    • Ernest W. Cummings
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...