Patents by Inventor Guido Mugnai

Guido Mugnai 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).

  • Universal paper file with insider glued back for bundling documents
    Patent number: 4832371
    Abstract: Universal paper file with inside glued back for bundling documents, of the type consisting of a front cover, a back cover and a back, the inside of the back containing a glue layer including a thermosetting glue, wherein both the glue of said glue layer and the back of the paper file are made of materials that upon thermal activation, enter into a chemical reaction to form a mutual permanent bond therebetween.
    Type: Grant
    Filed: November 12, 1987
    Date of Patent: May 23, 1989
    Assignee: Unibind Limited
    Inventor: Guido Mugnai