TREA

Marvin Herche

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  • Waukesha, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Brush assembly
    • Patent number 9,853,407
    • Issue date Dec 26, 2017
    • Helwig Carbon Products, Inc.
    • Jeffrey D. Koenitzer
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Brush assembly
    • Patent number D795192
    • Issue date Aug 22, 2017
    • Helwig Carbon Products, Inc.
    • Jeffrey D. Koenitzer
    • D13 - Equipment for production, distribution, or transformation of energy

Patents Applicationslast 30 patents

  • Information Patent Application

    Brush Assembly
    • Publication number 20170070020
    • Publication date Mar 9, 2017
    • Helwig Carbon Products, Inc.
    • Jeffrey D. Koenitzer
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER