Patents by Inventor Judith Katz

Judith Katz 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).

  • Play area surface treatment
    Patent number: 5525416
    Abstract: A play area surface treatment is provided comprising, from top to bottom: a layer of polymeric mesh, a layer of landscape separator, six inches of ground rubber buffing, a second layer of landscape separator, and six inches of pea gravel as a base material. Additionally, a protective edging is provided which is attached to the top layer of nylon woven mesh and provides a protective edging surrounding the play area.
    Type: Grant
    Filed: April 17, 1995
    Date of Patent: June 11, 1996
    Assignee: Uppy, Inc.
    Inventors: Norman Katz, Judith Katz