Patents by Inventor Andrea Ziglioli

Andrea Ziglioli has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Stapling machine
    Patent number: 5507425
    Abstract: A stapling machine is provided which has markings on part of a constant tension spring visible from the exterior of the machine to provide an indication when the supply of staples within the machine is exhausted. The constant tension spring moves the pusher, and markings are present on part of the constant tension spring which becomes visible in a window provided for that purpose.
    Type: Grant
    Filed: October 4, 1993
    Date of Patent: April 16, 1996
    Assignee: Acco-Rexel Group Services plc
    Inventor: Andrea Ziglioli