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David Perkowitz

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  • Vernon Hills, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Window shade
    • Patent number 9,010,399
    • Issue date Apr 21, 2015
    • Horizons Holdings, LLC
    • David Perkowitz
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Window shade and method of use thereof
    • Patent number 8,857,493
    • Issue date Oct 14, 2014
    • Horizons Holdings, LLC
    • David Perkowitz
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Window shade
    • Patent number 8,851,140
    • Issue date Oct 7, 2014
    • Horizons Holdings, LLC
    • David Perkowitz
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Window shade
    • Patent number 8,505,607
    • Issue date Aug 13, 2013
    • Horizons Window Fashions, Inc.
    • David Perkowitz
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Window shade and method of use thereof
    • Patent number 8,381,792
    • Issue date Feb 26, 2013
    • Horizons Window Fashions, Inc.
    • David Perkowitz
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Window shade and method of use thereof
    • Patent number 8,365,795
    • Issue date Feb 5, 2013
    • Horizons Window Fashions, Inc.
    • David Perkowitz
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Multiple window shade system and method
    • Patent number 8,261,808
    • Issue date Sep 11, 2012
    • David Perkowitz
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Window Shade
    • Publication number 20150184455
    • Publication date Jul 2, 2015
    • Horizons Holdings, LLC
    • David Perkowitz
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    WINDOW SHADE
    • Publication number 20130292065
    • Publication date Nov 7, 2013
    • David Perkowitz
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    WINDOW SHADE AND METHOD OF USE THEREOF
    • Publication number 20130160953
    • Publication date Jun 27, 2013
    • David Perkowitz
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    WINDOW SHADE
    • Publication number 20130020037
    • Publication date Jan 24, 2013
    • David Perkowitz
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    WINDOW SHADE
    • Publication number 20130020034
    • Publication date Jan 24, 2013
    • David Perkowitz
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Window Shade and Method of Use Thereof
    • Publication number 20110232852
    • Publication date Sep 29, 2011
    • David Perkowitz
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    WINDOW SHADE AND METHOD OF USE THEREOF
    • Publication number 20110100569
    • Publication date May 5, 2011
    • David Perkowitz
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    MULTIPLE WINDOW SHADE SYSTEM AND METHOD
    • Publication number 20100307697
    • Publication date Dec 9, 2010
    • David Perkowitz
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    MULTIPLE WINDOW SHADE SYSTEM AND METHOD
    • Publication number 20100307698
    • Publication date Dec 9, 2010
    • David Perkowitz
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS