Patents by Inventor Gregorio I. Patron

Gregorio I. Patron 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: 4848375
    Abstract: A filter cigarette is provided in which the smoker can select different flavorants or filter media for interposition in the smoke stream. A filter segment having two flow paths, each containing different flavoring or filtering media, cooperates with one or two rotatable end caps having openings for selective registration with the flow paths, are used to select the desired flow path. A method of delivering "air-swept flavor" is also provided.
    Type: Grant
    Filed: November 10, 1987
    Date of Patent: July 18, 1989
    Assignee: Philip Morris Incorporated
    Inventors: Gregorio I. Patron, Walter A. Nichols, Paul N. Gauvin, Francis M. Sprinkel, Jr.