Patents by Inventor Robert D. McCartha

Robert D. McCartha 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: 5316254
    Abstract: Supports for a junction box in a suspended ceiling. Two supports comprised of two, four-sided pieces of metal the length of a ceiling panel are secured to the suspended ceiling frame and to the sides of a junction box so that the junction box is held in position securely. The support also resists upward movement of the ceiling panel so that it does not rise when the light fixture is fastened to the junction box.
    Type: Grant
    Filed: May 14, 1992
    Date of Patent: May 31, 1994
    Inventor: Robert D. McCartha