Patents Assigned to Pittsburgh Tag Company
  • Suspended ceiling grid sign with locking, cantilevered/counterbalanced bracket
    Patent number: 5022173
    Abstract: The present invention relates to a sign that can be hung from a suspended ceiling. Specifically, the cantilevered and/or counterbalanced sign rests securely in the inverted "T" rail of a suspended ceiling tile grid, and can easily be inserted or removed without damaging or destroying the ceiling tile. At the same time, the cantilevered and counterbalanced structure of the present sign permits the sign to rest securely on grid rails with varying support ledge designs, shapes and dimensions.
    Type: Grant
    Filed: March 26, 1990
    Date of Patent: June 11, 1991
    Assignee: Pittsburgh Tag Company
    Inventor: Brian E. Pfeiffer