TREA

Roger D. Bloomfield

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  • Colorado Springs, CO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Film fasteners for flexible sheets
    • Patent number 4,472,862
    • Issue date Sep 25, 1984
    • Roger D. Bloomfield
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...