Patents by Inventor David R. Angelo

David R. Angelo 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).

  • Burger mold
    Patent number: D377138
    Type: Grant
    Filed: November 17, 1995
    Date of Patent: January 7, 1997
    Inventor: David R. Angelo