Patents by Inventor Giuseppe D'Urso

Giuseppe D'Urso 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).

  • Grinding tool fitted with an abrasive sheet having active face and edge surfaces
    Patent number: 4065882
    Abstract: Grinding tool comprising a support or carrier with associated relatively resilient pad covered by a removable abrasive sheet, wherein said abrasive sheet has a central zone forming an active face and a marginal zone with removed portions bent over or folded against the tool edge without forming any folds or wrinkles and without any discontinuities adjacent the central zone forming an active corner or edge. Preferably, the tool is of frusto-conical shape.
    Type: Grant
    Filed: August 2, 1976
    Date of Patent: January 3, 1978
    Inventor: Giuseppe D'Urso