Patents Assigned to 3-Message Display Limited
  • Patent number: 5233772
    Abstract: A sign providing for the serial display of three discreet messages is disclosed. The disclosed sign has an array of discrete vertical three sided sign elements provided with an improved sign element mounts and bearings, improved detachable face plates for the display of the three sign messages, and an improved sign element drive for simultaneous rotation of the sign element array in increments for sequential display of the three discrete messages of the sign.
    Type: Grant
    Filed: December 21, 1990
    Date of Patent: August 10, 1993
    Assignee: 3-Message Display Limited
    Inventors: Paul E. Bergeron, David L. Wood