Barnett, Haynes & Barnett, International

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  • Palm Desert, CA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Prestressed concrete roadway

    • Patent number 4,191,490
    • Issue date Mar 4, 1980
    • Barnett, Haynes & Barnett, International
    • George D. Barnett
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

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