TREA

Rolf J. Ohrstrom

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  • Toronto, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Slide connector and railing system incorporting same
    • Patent number 7,992,841
    • Issue date Aug 9, 2011
    • Alpa Lumber Inc.
    • Gabriel Petta
    • E04 - BUILDING
  • Information Patent Grant

    Frame assembly for window with vertically sliding sash
    • Patent number 7,707,779
    • Issue date May 4, 2010
    • Alpa Lumber Inc.
    • Gabriel Petta
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Frame assembly for windows or doors with removable sash
    • Patent number 7,707,778
    • Issue date May 4, 2010
    • Alpa Lumber Inc.
    • Gabriel Petta
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Synthetic arched baluster
    • Patent number D594574
    • Issue date Jun 16, 2009
    • Alpa Lumber Inc.
    • Gabriel Petta
    • D25 - Building units and construction elements
  • Information Patent Grant

    Railing system
    • Patent number 7,543,802
    • Issue date Jun 9, 2009
    • Alpa Lumber Inc.
    • Gabriel Petta
    • E04 - BUILDING
  • Information Patent Grant

    Post cap
    • Patent number D547464
    • Issue date Jul 24, 2007
    • Alpa Lumber Inc.
    • Gabriel Petta
    • D25 - Building units and construction elements
  • Information Patent Grant

    Baluster
    • Patent number D547462
    • Issue date Jul 24, 2007
    • Alpa Lumber Inc.
    • Gabriel Petta
    • D25 - Building units and construction elements

Patents Applicationslast 30 patents

  • Information Patent Application

    SLIDE CONNECTOR AND RAILING SYSTEM INCORPORTING SAME
    • Publication number 20090134378
    • Publication date May 28, 2009
    • Gabriel Petta
    • E04 - BUILDING
  • Information Patent Application

    RAILING SYSTEM
    • Publication number 20090134377
    • Publication date May 28, 2009
    • Gabriel Petta
    • E04 - BUILDING
  • Information Patent Application

    Corner bracket
    • Publication number 20090003928
    • Publication date Jan 1, 2009
    • Rolf J. Ohrstrom
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    RAILING SYSTEM
    • Publication number 20080054242
    • Publication date Mar 6, 2008
    • Gabriel Petta
    • E04 - BUILDING
  • Information Patent Application

    Corner bracket
    • Publication number 20070297854
    • Publication date Dec 27, 2007
    • Rolf J. Ohrstrom
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Slide connector and railing system incorporating same
    • Publication number 20060278471
    • Publication date Dec 14, 2006
    • Gabriel Petta
    • E04 - BUILDING
  • Information Patent Application

    Extrusion profile
    • Publication number 20060096193
    • Publication date May 11, 2006
    • Rolf J. Ohrstrom
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Slider window with continuous seals
    • Publication number 20060086052
    • Publication date Apr 27, 2006
    • Gabriel Petta
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Frame assembly for window with vertically sliding sash
    • Publication number 20060059780
    • Publication date Mar 23, 2006
    • Gabriel Petta
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Frame assembly for windows or doors
    • Publication number 20050144861
    • Publication date Jul 7, 2005
    • Gabriel Petta
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Compressible frame guard device for a window or door
    • Publication number 20040211132
    • Publication date Oct 28, 2004
    • Gabriel Petta
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS