Patents Assigned to Sedalia Neon Company
  • Sign device having magnetic display characters
    Patent number: 3988845
    Abstract: A sign for displaying messages includes a pair of dark backing boards supported within a frame. Thin flexible discs magnetically adhere to the boards to form words, letters, and other selected patterns thereon. The outer surfaces of the discs reflect light and/or are different in color than the backing boards in order to illustrate the displayed message.
    Type: Grant
    Filed: August 7, 1975
    Date of Patent: November 2, 1976
    Assignee: Sedalia Neon Company
    Inventor: Billy J. Boatman