TREA

David J. Smith SR.

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  • Charlestown, NH, US
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Patents Applicationslast 30 patents

  • Information Patent Application

    FLOAT MECHANISM FOR MATERIAL-MOVING IMPLEMENT
    • Publication number 20080028643
    • Publication date Feb 7, 2008
    • RALPH L. OSGOOD, INC.
    • Kevin R. Osgood
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    Material moving pusher/bucket
    • Publication number 20050193602
    • Publication date Sep 8, 2005
    • Kevin R. Osgood
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES