Patents by Inventor Charles J. Granone

Charles J. Granone 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).

  • Punch
    Patent number: 4087912
    Abstract: An elongated steel punch having a body section wherein one end is pointed and between the point and the body, a series of step portions are provided whereby a single tool can be used to pierce a work material in a manner to form holes of different diameters depending solely on the depth of penetration of the tool.
    Type: Grant
    Filed: January 21, 1976
    Date of Patent: May 9, 1978
    Inventor: Charles J. Granone