TREA

Gregory Earl Smith

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  • Lebanon, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Mine roof bolt assembly
    • Patent number 8,894,328
    • Issue date Nov 25, 2014
    • Louie Zeitler
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    MINE ROOF BOLT ASSEMBLY
    • Publication number 20140099167
    • Publication date Apr 10, 2014
    • Louie Zeitler
    • E21 - EARTH DRILLING MINING