Patents by Inventor Karen A. Stringer

Karen A. Stringer 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).

  • Tampons
    Patent number: 5374258
    Abstract: A tampon for hygienic use which comprises an absorbent core of general cylindrical shape having a liquid pervious cover layer is disclosed. The cover layer is a plastics material which comprises parallel ribs in one direction interconnected by a plurality of fibrillated strands in the transverse direction. The ribs of the cover layer lie in a direction which is in a direction parallel to the main axis of the tampon.
    Type: Grant
    Filed: June 15, 1990
    Date of Patent: December 20, 1994
    Assignee: Smith & Nephew plc
    Inventors: Ronald Lloyd, Karen A. Stringer