Patents Assigned to Tecnocart S.a.s. di Giovanni Leopoldo Cerri & C.
  • Patent number: 5683193
    Abstract: The device for retaining sheets, files, or punched cards in binders has a body defining a base portion that can be associated with the cover of a binder. Two arms extend from the base portion and constitute the two arms of an open ring. The two arms can move towards each other at their free ends, which lie opposite to the base portion. The free ends are provided respectively with a tooth and a seat, for mutual engagement. The tooth can be engaged with or released from the seat to close or open the ring.
    Type: Grant
    Filed: June 3, 1996
    Date of Patent: November 4, 1997
    Assignee: Tecnocart S.a.s. di Giovanni Leopoldo Cerri & C.
    Inventor: Luciano Cerri