TREA

Bryan R. Benson

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  • North Branch, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pneumatic plug for clean-out tees
    • Patent number 5,353,841
    • Issue date Oct 11, 1994
    • Cherne Industries Incorporated
    • Allen D. Mathison
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Mechanical inspection and sealing plug for a monitoring well
    • Patent number D351013
    • Issue date Sep 27, 1994
    • Cherne Industries Incorporated
    • Allen D. Mathison
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Pneumatic test plug
    • Patent number D350704
    • Issue date Sep 20, 1994
    • Cherne Industries Incorporated
    • Allen D. Mathison
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    Pipe plug lock unit
    • Patent number D329687
    • Issue date Sep 22, 1992
    • Cherne Industries Incorporated
    • Bryan R. Benson
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Pipe plug latch unit
    • Patent number D329686
    • Issue date Sep 22, 1992
    • Cherne Industries Incorporated
    • Allen D. Mathison
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Mechanical plug for clean-out tees
    • Patent number 5,035,266
    • Issue date Jul 30, 1991
    • Cherne Industries Incorporated
    • Bryan R. Benson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...