TREA

Lloyd J. Owens

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  • Kirkland, WA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Earth boring apparatus
    • Patent number 4,365,677
    • Issue date Dec 28, 1982
    • The Robbins Company
    • Lloyd J. Owens
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Earth boring apparatus
    • Patent number 4,270,618
    • Issue date Jun 2, 1981
    • The Robbins Company
    • Lloyd J. Owens
    • E21 - EARTH DRILLING MINING