TREA

Harrison Western Corporation

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Organization

  • Lakewood, CO, US
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Tunnel boring machine
    • Patent number 4,637,657
    • Issue date Jan 20, 1987
    • Harrison Western Corporation
    • Larry L. Snyder
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Tunnel boring machine
    • Patent number 4,527,837
    • Issue date Jul 9, 1985
    • Harrison Western Corporation
    • Larry L. Snyder
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Tunnel boring machine
    • Patent number 4,494,799
    • Issue date Jan 22, 1985
    • Harrison Western Corporation
    • Larry L. Snyder
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Shaft boring machine
    • Patent number 4,494,617
    • Issue date Jan 22, 1985
    • Harrison Western Corporation
    • Larry L. Snyder
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Rectangular tunnel boring machine and method
    • Patent number 4,486,050
    • Issue date Dec 4, 1984
    • Harrison Western Corporation
    • Larry L. Snyder
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

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