TREA

Charles W. Fetheroff

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  • Willowick, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    O-ring inspection method
    • Patent number 4,634,273
    • Issue date Jan 6, 1987
    • TRW Inc.
    • Ronald K. Farleman
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Airfoil
    • Patent number 4,411,940
    • Issue date Oct 25, 1983
    • TRW Inc.
    • Thomas Derkacs
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Control apparatus
    • Patent number 4,358,471
    • Issue date Nov 9, 1982
    • TRW Inc.
    • Thomas Derkacs
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method and apparatus for use in making an object
    • Patent number 4,334,495
    • Issue date Jun 15, 1982
    • TRW Inc.
    • Thomas Derkacs
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Computer controlled ultrasonic defect gate
    • Patent number 4,150,577
    • Issue date Apr 24, 1979
    • TRW Inc.
    • Charles W. Fetheroff
    • G01 - MEASURING TESTING