Patents by Inventor Robert Ferka

Robert Ferka 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).

  • Insertable cigarette smoke baffle for holders
    Patent number: 4852590
    Abstract: A baffle for filtering cigarette smoke is described. The baffle is inserted into commonly available cigarette holders. The cleansing and filtering action of the baffle system is augmented by the throttling of the smoke in successive chambers which were created by the walls of the baffle and the interior of the cigarette holder. The successive chambers are interconnected by orifices.
    Type: Grant
    Filed: July 7, 1988
    Date of Patent: August 1, 1989
    Inventor: Robert Ferka