Patents by Inventor Stephen J. Berti

Stephen J. Berti 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 or the like
    Patent number: D319413
    Type: Grant
    Filed: February 8, 1988
    Date of Patent: August 27, 1991
    Inventor: Stephen J. Berti
  • Ring
    Patent number: D319990
    Type: Grant
    Filed: February 8, 1988
    Date of Patent: September 17, 1991
    Inventor: Stephen J. Berti