Patents by Inventor Emily C. Dial

Emily C. Dial 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: 4138515
    Abstract: A geometric image comprising both a nonreflective material and a metalized plastic film capable of dispersing visible light into its component colors, which colors may change relative to the angle of the light being dispersed and reflected back to the viewer.
    Type: Grant
    Filed: March 29, 1976
    Date of Patent: February 6, 1979
    Inventor: Emily C. Dial