Patents by Inventor George T. Erion

George T. Erion has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4852689
    Abstract: A leveling device for a ladder which includes a pair of rails, hollow rungs spanning the rails, and foot members pivotally attached to lower portions of the rails. A channel shaped leveling accessory slides on a first one of the rails. Spaced openings are provided in a web of the channel shaped accessory. A selected opening can be aligned with a selected rung. An elongated pin is received in the selected opening and extends through the hollow rung. At end portions of the pin member outboard of the rails and outboard of the channel shaped accessory, fasteners are mounted in the pin member to hold the channel shaped accessory in position. An accessory foot is pivotally mounted on the accessory below the first mentioned rail. The foot members are arranged to support the ladder in upright position.
    Type: Grant
    Filed: November 13, 1987
    Date of Patent: August 1, 1989
    Inventor: George T. Erion