Patents by Inventor Stefan Goya

Stefan Goya 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).

  • Keyring and attachment
    Patent number: 5551269
    Abstract: A keyring and attachment device, the key ring body being circular and having a gap closed by two bars, the attachment portion being a circular ring with a projecting hook. The two main components are joined with a small ring, the whole intended to hang within a pocket.
    Type: Grant
    Filed: November 1, 1993
    Date of Patent: September 3, 1996
    Inventors: Archie Lewinstein, Stefan Goya