Patents by Inventor Alexander S. Gergely

Alexander S. Gergely 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).

  • Filter cigarette
    Patent number: 5178166
    Abstract: A filter cigarette comprising a tobacco rod and filter portion comprising a fluted tubular extrusion. The flutes are blocked intermediate the rod end and mouth end of the extrusion. The tobacco rod is circumferentially wrapped with a porous wrapper comprising a longitudinal band of perforations. The fluted tubular extrusion is attached with tipping paper to the tobacco rod. A mouthband and a rodband of perforations circumscribes the tipping paper. A rod of charcoal-impregnated filter material may abut the tubular extrusion.
    Type: Grant
    Filed: September 20, 1990
    Date of Patent: January 12, 1993
    Assignee: Philip Morris Incorporated
    Inventors: Reginald W. Newsome, Alexander S. Gergely, Richard A. Thesing, William T. Callaham, Paul N. Gauvin, Warren E. Claflin, Walter A. Nichols