Patents by Inventor Frances E. Hall

Frances E. Hall 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).

  • Sanitary napkin construction
    Patent number: 4533357
    Abstract: A sanitary napkin having a pad portion and a tab portion projecting from said pad portion, the tab portion being received between the lower portion of the buttocks of the wearer to prevent escape of body fluid exudate past the posterior portion of the sanitary napkin.
    Type: Grant
    Filed: April 21, 1983
    Date of Patent: August 6, 1985
    Inventor: Frances E. Hall