Patents by Inventor Stephen DiGiovanni

Stephen DiGiovanni 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).

  • Drum for striking upwardly and method therefor
    Patent number: 7528312
    Abstract: Two drums are arranged so that a head of each faces each other in close proximity to enable a distal end of a drum stick, hand or mallet that is positioned between them to strike both when moving the drum stick, hand or mallet first toward and against one and then toward and against the other.
    Type: Grant
    Filed: February 21, 2007
    Date of Patent: May 5, 2009
    Inventor: Stephen DiGiovanni