Patents by Inventor John Manetta

John Manetta 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).

  • Ring with interchangeable setting
    Patent number: 3933011
    Abstract: An improved ring having an interchangeable setting secured by an improved separable engagement means of the slip and catch variety.
    Type: Grant
    Filed: March 27, 1974
    Date of Patent: January 20, 1976
    Inventors: Philip DiGilio, John Manetta