Patents by Inventor Antonio Tangreda

Antonio Tangreda 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: D244923
    Type: Grant
    Filed: April 20, 1976
    Date of Patent: July 5, 1977
    Assignee: Olympic Metal Products Limited
    Inventors: George E. Jones, Antonio Tangreda, Gerardino Tangreda