Chris Ratzlaff

Person

  • Salol, MN, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Mullion cover linkage

    • Patent number 8,904,720
    • Issue date Dec 9, 2014
    • Marvin Lumber and Cedar Company
    • Bradley D. Woodward
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS

Patents Applicationslast 30 patents

  • Information Patent Application

    MULLION COVER LINKAGE

    • Publication number 20120240492
    • Publication date Sep 27, 2012
    • Marvin Lumber and Cedar Company, d/b/a Marvin Windows and Doors
    • Bradley D. Woodward
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS