Patents by Inventor Walter Erlenbach

Walter Erlenbach 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: 3985203
    Abstract: A landing for a ladder or the like includes a support bracket adapted to be secured to the upper end of a ladder by a tie bar passing through a rung thereof. The bracket includes a bar rigidly disposed in the channel cavity of the ladder rail, and a support beam extending laterally from the bar outwardly from the side of the ladder. A plate is disposed horizontally with one edge adapted to rest on a roof or sill surface of the structure on which the ladder is leaning, with a medial portion of the plate resting on the support beam. The plate provides a safe egress from the top of the ladder to the roof or sill.
    Type: Grant
    Filed: October 2, 1975
    Date of Patent: October 12, 1976
    Inventor: Walter Erlenbach