TREA

Michael D. Campbell

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  • Newalla, OK, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Security locking assembly
    • Patent number 4,284,300
    • Issue date Aug 18, 1981
    • Metalfab Industries, Inc.
    • Michael D. Campbell
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...