Patents by Inventor Forrest Deffenbaugh

Forrest Deffenbaugh 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 bonding technique
    Patent number: 5269994
    Abstract: Thermally bonding nonwoven fabrics having superior tensile stength without decreased absorbency are prepared by supplying a web to a hot calender bonding system and passing the resulting calendered web to a hot-air bonding system.
    Type: Grant
    Filed: April 10, 1992
    Date of Patent: December 14, 1993
    Assignee: BASF Corporation
    Inventors: Forrest Deffenbaugh, David B. Christopher