Patents by Inventor Gaylord L. Williamson

Gaylord L. Williamson 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).

  • Enclosed animal litter box
    Patent number: 4792082
    Abstract: A litter box (1) including an outer front side wall (3), an outer rear side wall (4), an outer left side wall (5), a cover member (8), and an outer right side wall (6). The litter box (1) is formed from a single integral cardboard sheet (2) which, when folded in an appropriate fashion, results in an enclosed, disposable litterbox. The box (1) may be shipped with a supply of litter enclosed, and may be shipped and stored in a rectangular package of approximately 2 inches in height.
    Type: Grant
    Filed: March 3, 1987
    Date of Patent: December 20, 1988
    Inventor: Gaylord L. Williamson