Patents by Inventor Kenneth Michael Hammall

Kenneth Michael Hammall 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: 8907156
    Abstract: An absorbent article such as a diaper, training pant, and the like comprises a containment member that has a central zone and a barrier zone. The central zone has greater air flow according to the Air Permeability Test than the barrier zone. The bather zone a greater hydrohead according to the Hydrostatic Head Pressure Test than the central zone. The containment member may be used for absorbent core formation and may have portions configured to serve as barrier leg cuffs for the finished absorbent article.
    Type: Grant
    Filed: February 6, 2013
    Date of Patent: December 9, 2014
    Assignee: The Procter & Gamble Company
    Inventors: Donald Carroll Roe, Michael Dale Trennepohl, Olaf Erik Alexander Isele, Kenneth Michael Hammall, Angelli Sue Denmon