Patents by Inventor Allen J. Kassman

Allen J. Kassman 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 with inlet vent zones
    Patent number: 4294265
    Abstract: This invention relates to a filter cigarette having inlet vents in the filter mouthpiece divided into two groups. The distance between the two groups of inlet vents is selected to give an increased resistance to draw without appreciably decreasing dilution or total particulate matter.
    Type: Grant
    Filed: April 4, 1980
    Date of Patent: October 13, 1981
    Assignee: Philip Morris Incorporated
    Inventors: Allen J. Kassman, Willard A. Geiszler, Jr.