TREA

Norman Brotzel

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  • Falkland, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Concrete-leveling system
    • Patent number 7,478,973
    • Issue date Jan 20, 2009
    • Precise Tech Industries Ltd.
    • Norman Brotzel
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Ergonomic concrete hand screed
    • Patent number 7,470,084
    • Issue date Dec 30, 2008
    • Precise Tech Industries Ltd.
    • Norman Brotzel
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

  • Information Patent Application

    ERGONOMIC CONCRETE HAND SCREED
    • Publication number 20070206992
    • Publication date Sep 6, 2007
    • Precise Tech Industries Ltd.
    • Norman Brotzel
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    CONCRETE-LEVELING SYSTEM
    • Publication number 20070206991
    • Publication date Sep 6, 2007
    • Precise Tech Industries Ltd.
    • Norman Brotzel
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES