Earl T. Records

Person

  • Warsaw, IN, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Ladders incorporating retractable ground spikes

    • Patent number 4,039,047
    • Issue date Aug 2, 1977
    • White Metal Rolling & Stamping Corporation
    • Clayton E. Larson
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS