TREA

James S. Buchanan

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  • Northbrook, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    High voltage digital voltmeter and wireless phaser
    • Patent number 9,658,265
    • Issue date May 23, 2017
    • HD Electric Company
    • Mark R. Hoffman
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Digital ammeter
    • Patent number D737160
    • Issue date Aug 25, 2015
    • HD Electric Co.
    • Michael S. Garner
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    Ammeter with improved current sensing
    • Patent number 8,212,549
    • Issue date Jul 3, 2012
    • HD Electric Company
    • William J. McNulty
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Voltmeter with dual displays
    • Patent number 7,746,051
    • Issue date Jun 29, 2010
    • HD Electric Company
    • James S. Buchanan
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents