TREA

David E. Erickson

Follow

Person

  • Crosslake, MN, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Handhole assembly
    • Patent number 10,256,617
    • Issue date Apr 9, 2019
    • JDT Concepts LLC
    • David Erickson
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Electric handhole/pullbox access cover
    • Patent number 7,361,834
    • Issue date Apr 22, 2008
    • JDT Concepts, LLC
    • Julian P. Trangsrud
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER