TREA

Peter Dufresne

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  • Phoenix, AZ, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Gate entry system
    • Patent number 8,468,749
    • Issue date Jun 25, 2013
    • Peter Dufresne
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Roadway water ramp apparatus
    • Patent number 6,287,047
    • Issue date Sep 11, 2001
    • Peter Dufresne
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES