TREA

Robert G. McCracken

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  • Des Moines, IA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Beam member
    • Patent number D347701
    • Issue date Jun 7, 1994
    • Wilian Holding Company
    • Robert G. McCracken
    • D25 - Building units and construction elements
  • Information Patent Grant

    Structural beam for concrete form systems
    • Patent number D325261
    • Issue date Apr 7, 1992
    • Wilian Holding Company
    • Robert G. McCracken
    • D25 - Building units and construction elements