TREA

Mark S. Grendahl

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  • Apple Valley, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Reusable electrical panel cover with breakaway edges
    • Patent number 10,566,770
    • Issue date Feb 18, 2020
    • Mark Grendahl
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Conduit racking device
    • Patent number 7,014,152
    • Issue date Mar 21, 2006
    • Mark S. Grendahl
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Protective cover plate
    • Patent number 6,906,260
    • Issue date Jun 14, 2005
    • Mark S. Grendahl
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    Reusable Electrical Panel Cover With Breakaway Edges
    • Publication number 20190081467
    • Publication date Mar 14, 2019
    • Mark Grendahl
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Reusable Electrical Panel Cover With Flange
    • Publication number 20190020182
    • Publication date Jan 17, 2019
    • Mark Grendahl
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Reusable Electrical Panel Cover
    • Publication number 20180358788
    • Publication date Dec 13, 2018
    • Mark Grendahl
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Protective cover plate
    • Publication number 20040188126
    • Publication date Sep 30, 2004
    • Mark S. Grendahl
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Conduit racking device
    • Publication number 20040113028
    • Publication date Jun 17, 2004
    • Mark S. Grendahl
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER