Patents by Inventor Ronald R. McFall

Ronald R. McFall 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 having an independently displaceable central core segment
    Patent number: 5591148
    Abstract: A sanitary napkin is disclosed having an absorbent core comprising a central core segment and two side core segments. The sanitary napkin also includes a lifting member for displacing the central core segment relative to the side core segments.
    Type: Grant
    Filed: April 8, 1994
    Date of Patent: January 7, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Ronald R. McFall, Letha M. Hines, David C. Oetjen, John L. Hammons, Shirley L. Chow, Patricia L. Lampson, Megan R. Moore, James W. Cree
  • Method for attaching a web of material to the side edges of an absorbent article
    Patent number: 5567260
    Abstract: A method is disclosed for attaching an elastomeric film laminate web to the longitudinal side edges of an absorbent article such as a sanitary napkin. The method involves using a system of different adhesive applying mechanisms (that is, glue guns) and different applications of adhesive in a spiral pattern to provide precise control over the pattern and the amount of adhesive applied to bond the web of material to the absorbent article.
    Type: Grant
    Filed: July 12, 1995
    Date of Patent: October 22, 1996
    Assignee: The Procter & Gamble Company
    Inventor: Ronald R. McFall
  • Compound sanitary napkin
    Patent number: H1634
    Abstract: The present invention pertains to a compound sanitary napkin. The compound sanitary napkin includes a primary absorbent member secured to a secondary absorbent member. The primary absorbent member includes an absorbent core wrapped in an outer cover, at least a portion of the outer cover being liquid impervious. The secondary absorbent member includes a liquid impervious backsheet and an absorbent material joined thereto. Optionally, the secondary absorbent member includes a backsheet, a topsheet joined to the backsheet and an absorbent core disposed between the backsheet and the topsheet.
    Type: Grant
    Filed: February 24, 1995
    Date of Patent: February 4, 1997
    Inventors: David C. Oetjen, Ronald R. McFall, Richard G. Coe