Patents by Inventor Nazzaro Sergio

Nazzaro Sergio 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: 4972856
    Abstract: A filter applicable to a cigarette and fitted therein by a user includes an elongated part fitted in a mouth provided in a cigarette and a flange which seals the cigarette mouth when the elongated part is inserted thereinto.
    Type: Grant
    Filed: April 16, 1986
    Date of Patent: November 27, 1990
    Inventor: Nazzaro Sergio