Patents by Inventor Armando Speroni

Armando Speroni 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).

  • Process and apparatus for the sealing of paper sheets
    Patent number: 5116302
    Abstract: In the sealing of paper sheets, particularly envelopes, such as for example self-enveloping forms, by knurling of the edges to be joined together, the preliminary moistening of the same edges is provided, which leads to a seal tight closure or sealing.
    Type: Grant
    Filed: October 11, 1989
    Date of Patent: May 26, 1992
    Assignee: Datapac S.r.l.
    Inventors: Armando Speroni, Aldo Bedodi