Patents by Inventor Bill R. Schwam

Bill R. Schwam 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).

  • Nonwoven fabric barrier layer
    Patent number: 4517714
    Abstract: A process for making a nonwoven fabric barrier layer that comprises simultaneously ring-rolling to a desired basis weight at least two adjacent plies of hydrophobic microfine fiber webs. The adjacent plies prior to ring-rolling have a cumulative basis weight of from about 1.1 to about 4 times the desired basis weight.
    Type: Grant
    Filed: July 23, 1982
    Date of Patent: May 21, 1985
    Assignee: The Procter & Gamble Company
    Inventors: Scott W. Sneed, Bill R. Schwam, Paul E. Gregory, Jr.