TREA

C. Ed Covington

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  • late of Azle, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Anti-rotation clip
    • Patent number 6,371,681
    • Issue date Apr 16, 2002
    • Bell Helicopter Textron Inc.
    • C. Ed Covington
    • B64 - AIRCRAFT AVIATION COSMONAUTICS