Patents by Inventor Pietro Di Piazza

Pietro Di Piazza 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: D276424
    Type: Grant
    Filed: May 26, 1982
    Date of Patent: November 20, 1984
    Inventor: Pietro Di Piazza