Patents by Inventor Jerzy Kijowski

Jerzy Kijowski 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).

  • Patent number: 5327916
    Abstract: A filter tip cigarette comprising a rod of smoking material having an inner wrapper of sidestream reducing paper containing carbon as part of its total filler content and an outer overwrapping cigarette paper, and a ventilated filter tip of low efficiency / high pressure drop which provides a mainstream CO / "tar" ratio of 1:0 or less in conjunction with the filter ventilation.
    Type: Grant
    Filed: September 17, 1992
    Date of Patent: July 12, 1994
    Assignee: Rothmans International Services Limited
    Inventors: David H. Jones, Jerzy Kijowski
  • Patent number: 5307823
    Abstract: A rod of smoking material having an inner wrapper of sidestream reducing paper containing carbon as part of its total filler content and an outer overwrapping cigarette paper.
    Type: Grant
    Filed: September 17, 1992
    Date of Patent: May 3, 1994
    Assignee: Rothmans International Services Limited
    Inventors: David H. Jones, Jerzy Kijowski