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Darren J. Campbell

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  • Menomonee Falls, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Lever assembly and master cylinder
    • Patent number 7,546,909
    • Issue date Jun 16, 2009
    • Hayes Bicycle Group, Inc.
    • Darren J. Campbell
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Bicycle disc brake having non-continuous spline surface for quick c...
    • Patent number 7,475,758
    • Issue date Jan 13, 2009
    • Hayes Bicycle Group, Inc.
    • James J. Dimsey
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Master cylinder
    • Patent number D522422
    • Issue date Jun 6, 2006
    • Hayes Disc Brake, LLC
    • Darren J. Campbell
    • D12 - Transportation
  • Information Patent Grant

    Disk brake rotor
    • Patent number D521428
    • Issue date May 23, 2006
    • Hayes Disc Brakes, LLC
    • Darren J. Campbell
    • D12 - Transportation
  • Information Patent Grant

    Quick-mount disc brake rotor
    • Patent number 6,964,323
    • Issue date Nov 15, 2005
    • Hayes Disc Brakes, LLC
    • Darren J. Campbell
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents