TREA

David J. Frankenfield

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  • Burlingame, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Anchoring means for wall braces
    • Patent number 4,379,650
    • Issue date Apr 12, 1983
    • The Burke Company
    • David J. Frankenfield
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...