Patents by Inventor Lawrence L. Stewart, Jr.

Lawrence L. Stewart, Jr. 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).

  • Low delivery cigarette
    Patent number: 4984588
    Abstract: A smoking article (10) is disclosed, in which a tube (12) of combustible, heat fusible material is surrounded by tobacco filler (14) and wrapper (16). Tube (12) extends from approximately 5 mm from the mouth end of the filter to within approximately 10 mm of the opposite end of smoking cylinder (17). By directing essentially unfiltered, undiluted smoke to the smoker during the initial puffs, tube (12) gives the impression of a stronger flavored cigarette. After the first several puffs, the tube (12) is melted shut and normal dilution occurs.
    Type: Grant
    Filed: September 14, 1981
    Date of Patent: January 15, 1991
    Assignee: Philip Morris Incorporated
    Inventor: Lawrence L. Stewart, Jr.