TREA

Dean Putnam

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  • Salem, OR, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Elastomeric railway tie pad
    • Patent number 7,278,588
    • Issue date Oct 9, 2007
    • Northwest Rubber Extruders, Inc.
    • Tom English
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

  • Information Patent Application

    Elastomeric railway tie pad
    • Publication number 20060097064
    • Publication date May 11, 2006
    • Tom English
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES