Patents by Inventor Vincenzo Virgini

Vincenzo Virgini 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).

  • PVC insole with flat bottom and with the top surface made up of hollow humps
    Patent number: 4934071
    Abstract: The instant invention concerns an insole with a flat bottom and with the top surface made up of hollow semispherical or cylindrical humps. Once this insole has been affixed to the sole, whether it be made of PVC foam or polyurethane or wood or any other material, a single piece is formed with a series of completely airtight air tubes.
    Type: Grant
    Filed: December 16, 1988
    Date of Patent: June 19, 1990
    Assignee: AL.VI. - S.r.1.
    Inventor: Vincenzo Virgini