Patents by Inventor Ray W. Mattson

Ray W. Mattson 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: 4536162
    Abstract: A child's playset comprised of a number of rooms offering different stage settings which may be changed. Each room includes a pair of walls at an angle with respect to each other and a floor having two different heights. The playset is preferably formed by attaching four rooms together at hinges whereby the rooms may be moved with respect to each other to form different shaped playsets. In addition, the rooms may be brought together to form a square wherein a handle extending upwardly from the walls of each room come together to form a central carrying handle for transportation of the playset.
    Type: Grant
    Filed: April 5, 1983
    Date of Patent: August 20, 1985
    Assignee: Mattel, Inc.
    Inventors: Marshall E. Ace, Jr., deceased, Ray W. Mattson, Mark S. Wittenberg
  • Patent number: D280223
    Type: Grant
    Filed: March 10, 1983
    Date of Patent: August 20, 1985
    Assignee: Mattel, Inc.
    Inventors: Michael W. Barbato, Ray W. Mattson, Michael R. Nordgren
  • Patent number: D281615
    Type: Grant
    Filed: December 27, 1983
    Date of Patent: December 3, 1985
    Assignee: Mattel, Inc.
    Inventors: Michael W. Barbato, Henry T. Hodges, Ray W. Mattson