Patents by Inventor Keith W. Hammond

Keith W. Hammond 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: H1640
    Abstract: The present invention is directed to a mechanical fastening system for use with disposable absorbent products. More particularly, a reinforced landing surface is disclosed for securing a hook-type mechanical fastener thereto. The reinforced landing surface includes a fibrous non-woven layer and a scrim-like web that is attached in a composite arrangement to the fibrous non-woven layer. The mechanical fasteners include a plurality of hooks, such as those used in a hook and loop type fastener which extend through the scrim-like web and penetrate the non-woven fibrous layer and become intertwined therewith. Depending upon the fastening requirements, the pattern of the scrim-like web may be repetitive, variable, continuous or discrete.
    Type: Grant
    Filed: February 21, 1995
    Date of Patent: March 4, 1997
    Assignee: The Procter & Gamble Company
    Inventors: John J. Litchholt, Dennis A. Thomas, Keith W. Hammond