TREA

Robert D. Porter

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  • Florissant, MO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Multi purpose thread ring gage
    • Patent number 4,939,845
    • Issue date Jul 10, 1990
    • McDonnell Douglas Corporation
    • Robert D. Porter
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Magnetic wire holding device
    • Patent number 4,821,422
    • Issue date Apr 18, 1989
    • McDonnell Douglas Corporation
    • Robert D. Porter
    • G01 - MEASURING TESTING