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Steven A. Johnson

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  • Hartland, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ventilation unit calibration apparatus, system and method
    • Patent number 9,638,432
    • Issue date May 2, 2017
    • Broan-Nutone LLC
    • Richard R. Sinur
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Pump controller
    • Patent number 6,534,947
    • Issue date Mar 18, 2003
    • Sta-Rite Industries, Inc.
    • Steven A. Johnson
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    Ventilation Unit Calibration Apparatus, System and Method
    • Publication number 20120052792
    • Publication date Mar 1, 2012
    • Broan-NuTone LLC
    • Richard R. Sinur
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    Pump controller
    • Publication number 20020093306
    • Publication date Jul 18, 2002
    • Steven A. Johnson
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER