TREA

Charles E. Barnum

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  • Ada, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Clutch for tire lift/carrier winch
    • Patent number 5,277,288
    • Issue date Jan 11, 1994
    • Sparton Corporation
    • Charles E. Barnum
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Clutch for tire lift/carrier winch
    • Patent number 5,265,708
    • Issue date Nov 30, 1993
    • Sparton Corporation
    • Charles E. Barnum
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Clutch for tire lift/carrier winch
    • Patent number 5,027,933
    • Issue date Jul 2, 1991
    • Sparton Corporation
    • Charles E. Barnum
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...