Patents by Inventor Kerstin A. H. Strandberg

Kerstin A. H. Strandberg 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).

  • Menstrual tampon
    Patent number: 4222381
    Abstract: In a menstrual tampon comprising one or more webs 1, rolled up in several layers around each other, of moisture-absorbing material, a pull string 2 is anchored and extends out of the tampon. This string is laid around the web 1 in at least two consecutive loops which, with portions 6 running back and forth approximately longitudinally to the tampon, surround and are in contact with at least two opposite side edges 7,8 of the web 1 of absorbent material, and extend out of one end of the tampon. (FIG. 2).
    Type: Grant
    Filed: December 15, 1978
    Date of Patent: September 16, 1980
    Assignee: Molnlycke AB
    Inventors: Leif U. R. Widlund, Kerstin A. H. Strandberg
  • Menstrual tampon
    Patent number: D264381
    Type: Grant
    Filed: April 17, 1979
    Date of Patent: May 11, 1982
    Assignee: Molnlycke AB
    Inventors: Kerstin A. H. Strandberg, Leif U. R. Widlund