TREA

Leland V. Gefvert

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  • Anchorage, AK, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ice barrier for islands
    • Patent number 4,265,569
    • Issue date May 5, 1981
    • Atlantic Richfield Company
    • Leland V. Gefvert
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Offshore drilling and production
    • Patent number 4,245,930
    • Issue date Jan 20, 1981
    • Atlantic Richfield Company
    • Leland V. Gefvert
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING