Patents Assigned to Adverite PLC
  • Film winding mechanism and display apparatus
    Patent number: 5606814
    Abstract: A poster display apparatus winds a film carrying the posters between spools. The surface speeds of rotation of the spools are equalized by a rising and falling weight carried by a cord interconnecting pulleys carried by the spool axles.
    Type: Grant
    Filed: August 14, 1995
    Date of Patent: March 4, 1997
    Assignee: Adverite PLC
    Inventors: Henry Szywalla, James Melville