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Craig R. Whipkey

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  • S. Connellsville, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Portable bridge system
    • Patent number 5,603,134
    • Issue date Feb 18, 1997
    • Coastal Lumber Company
    • Craig R. Whipkey
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES