Patents Assigned to Soi Charles W. Perry Design Works, Inc.
  • Patent number: 4973253
    Abstract: A color indicating apparatus which comprises a plurality of concentric overlappingly arranged discs which are rotatably mounted on a pivot post which is carried by a base. Each disc is basically transparent and includes a plurality of windows with each window being colored to a certain percentage of screening. Each disc is a certain primary color with there normally being utilized four in number of discs with there being four primary colors. Mounted on the base is a locking device which is to be movable to engage with the peripheral edge of the overlapped discs so as to lock the discs when located in a selected position. The visually observable color of each window within the outer disc will assume various shades as determined by the color density of the overlapped windows.
    Type: Grant
    Filed: December 20, 1989
    Date of Patent: November 27, 1990
    Assignee: Soi Charles W. Perry Design Works, Inc.
    Inventors: Lynn H. Shook, Richard Lucir, Andrew J. Johnson, Kyle S. Paula, Frank S. Nuovo