Patents Assigned to Uppy, Inc.
  • 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