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John C. Hewson

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  • West Conshohocken, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Handheld programmer for lighting control system
    • Patent number 8,228,163
    • Issue date Jul 24, 2012
    • Lutron Electronics Co., Inc.
    • Audwin W. Cash
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Handheld programmer for lighting control system
    • Patent number 7,764,162
    • Issue date Jul 27, 2010
    • Lutron Electronics Co., Inc.
    • Audwin W. Cash
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Dimmer switch having an illuminated button and slider slot
    • Patent number 7,745,750
    • Issue date Jun 29, 2010
    • Lutron Electronics Co., Inc.
    • John Hewson
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Switch
    • Patent number D601101
    • Issue date Sep 29, 2009
    • Lutron Electronics Co., Inc.
    • John C. Hewson
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Switch
    • Patent number D592604
    • Issue date May 19, 2009
    • Lutron Electronics Co., Inc.
    • John C. Hewson
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Dimmer switch
    • Patent number D581372
    • Issue date Nov 25, 2008
    • Lutron Electronics Co., Inc.
    • Eric Johnathan Mace
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Wall-mountable dual dimmer switch
    • Patent number D580374
    • Issue date Nov 11, 2008
    • Lutron Electronics Co., Inc.
    • John C. Hewson
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Tabletop dual lamp dimmer switch
    • Patent number D576564
    • Issue date Sep 9, 2008
    • Lutron Electronics Co., Inc.
    • John C. Hewson
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Wall-mountable dual dimmer switch
    • Patent number D574333
    • Issue date Aug 5, 2008
    • Lutron Electronics Co., Inc.
    • John C. Hewson
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Handheld programmer for lighting control system
    • Patent number 7,391,297
    • Issue date Jun 24, 2008
    • Lutron Electronics Co., Inc.
    • Audwin W. Cash
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Dimmer switch
    • Patent number D571312
    • Issue date Jun 17, 2008
    • Lutron Electronics Co., Inc.
    • John C. Hewson
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Tabletop lamp dimmer switch
    • Patent number D570298
    • Issue date Jun 3, 2008
    • Lutron Electronics Co., Inc.
    • John C. Hewson
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Wall-mountable dimmer switch
    • Patent number D569351
    • Issue date May 20, 2008
    • Lutron Electronics Co., Inc.
    • John C. Hewson
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Wall-mountable dual dimmer switch
    • Patent number D567767
    • Issue date Apr 29, 2008
    • Lutron Electronics Co., Inc.
    • John C. Hewson
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Dimmer switch
    • Patent number D566048
    • Issue date Apr 8, 2008
    • Lutron Electronics Co., Inc.
    • Eric Johnathan Mace
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Dimmer switch
    • Patent number D566052
    • Issue date Apr 8, 2008
    • Lutron Electronics Co., Inc.
    • Matthew J. Ochs
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Tabletop dual lamp dimmer switch
    • Patent number D561115
    • Issue date Feb 5, 2008
    • Lutron Electronics Co., Inc.
    • John C. Hewson
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Tabletop lamp dimmer switch
    • Patent number D560618
    • Issue date Jan 29, 2008
    • Lutron Electronics Co., Inc.
    • John C. Hewson
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Wall-mountable dimmer switch
    • Patent number D560619
    • Issue date Jan 29, 2008
    • Lutron Electronics Co., Inc.
    • John C. Hewson
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Lighting control
    • Patent number D557665
    • Issue date Dec 18, 2007
    • Lutron Electronics Co., Inc.
    • John C. Hewson
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Lighting control
    • Patent number D557664
    • Issue date Dec 18, 2007
    • Lutron Electronics Co., Inc.
    • John C. Hewson
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Dimmer switch
    • Patent number D557216
    • Issue date Dec 11, 2007
    • Lutron Electronics Co., Inc.
    • Matthew J. Ochs
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Lighting control
    • Patent number D549183
    • Issue date Aug 21, 2007
    • Luthron Electronics Co., Inc.
    • John C. Hewson
    • D13 - Equipment for production, distribution, or transformation of energy

Patents Applicationslast 30 patents