Patents by Inventor Loyd L. Neal

Loyd L. Neal 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).

  • Ladder having adjustable leg extensions
    Patent number: 4091893
    Abstract: A ladder has adjustable extensions which provide downward continuations of its legs. By securing the extensions in appropriate positions, the legs are provided with different effective lengths so that the ladder may be used safely on staircases and on other uneven or sloping terrain.
    Type: Grant
    Filed: April 25, 1977
    Date of Patent: May 30, 1978
    Inventor: Loyd L. Neal