E. Howard Mayer

Person

  • Thiensville, WI, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Window sash

    • Patent number 5,913,786
    • Issue date Jun 22, 1999
    • E. Howard Mayer
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS