TREA

James R. Graham II

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  • Tulsa, OK, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Reverse buckling disk with incorporated knife
    • Patent number 5,720,380
    • Issue date Feb 24, 1998
    • Oklahoma Safety Equipment Co.
    • James R. Graham II
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...