Patents by Inventor Joseph Callandrello

Joseph Callandrello 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).

  • Patent number: 5136908
    Abstract: A food slicing machine with a circular knife having a plurality of radially spaced indentations on a portion inwardly of the cutting edge to induce air flow during rotation of the knife to prevent food particles from accumulating on the knife during cutting operation.
    Type: Grant
    Filed: July 29, 1991
    Date of Patent: August 11, 1992
    Assignee: Valley Slicer Co.
    Inventor: Joseph Callandrello