TREA

John Clement Preston

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  • New South Wales 2124, AU
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Patents Grantslast 30 patents

  • Information Patent Grant

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    • Patent number 10,703,591
    • Issue date Jul 7, 2020
    • John Clement Preston
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Scaffolding module
    • Patent number D663043
    • Issue date Jul 3, 2012
    • John Clement Preston
    • D25 - Building units and construction elements
  • Information Patent Grant

    Partly retractable construction platform
    • Patent number 7,815,014
    • Issue date Oct 19, 2010
    • John C. Preston
    • E04 - BUILDING
  • Information Patent Grant

    Fence panel support foot
    • Patent number D625433
    • Issue date Oct 12, 2010
    • John Clement Preston
    • D25 - Building units and construction elements
  • Information Patent Grant

    Fencing panel
    • Patent number D621956
    • Issue date Aug 17, 2010
    • John Clement Preston
    • D25 - Building units and construction elements
  • Information Patent Grant

    Barrier panel
    • Patent number D613877
    • Issue date Apr 13, 2010
    • John Clement Preston
    • D25 - Building units and construction elements
  • Information Patent Grant

    Partly retractable construction platform
    • Patent number 7,070,020
    • Issue date Jul 4, 2006
    • John Clement Preston
    • E04 - BUILDING
  • Information Patent Grant

    Drop delivery chute
    • Patent number 5,941,362
    • Issue date Aug 24, 1999
    • John Clement Preston
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

  • Information Patent Application

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    • Publication number 20180354733
    • Publication date Dec 13, 2018
    • John Clement Preston
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    SAFETY BARRIERS
    • Publication number 20100295007
    • Publication date Nov 25, 2010
    • John Clement Preston
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    Stairway for Use on Building Sites
    • Publication number 20100293875
    • Publication date Nov 25, 2010
    • John Clement Preston
    • E04 - BUILDING
  • Information Patent Application

    Refuse Chute
    • Publication number 20090133985
    • Publication date May 28, 2009
    • John Clement Preston
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL