TREA

John W. Hall

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  • Lusby, MD, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Closed torque test machine
    • Patent number 4,294,112
    • Issue date Oct 13, 1981
    • The United States of America as represented by the Secretary of the Navy
    • Ronald D. Moore
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Shaft and bore misalignment measurement tool
    • Patent number 4,222,173
    • Issue date Sep 16, 1980
    • The United States of America as represented by the Secretary of the Navy
    • John W. Hall
    • G01 - MEASURING TESTING