Patents by Inventor Franklin E. Williams

Franklin E. Williams 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: 4556602
    Abstract: A reinforced polypropylene primary backing for carpets and carpet tiles in which the polypropylene warp yarns have another synthetic yarn woven into the warp in order to increase the strength in the warp direction. The reinforcing yarn is a synthetic yarn which is non-stretchable or at least less stretchable than polypropylene when exposed to the temperatures developed during a hot melt resin process step during the manufacturing of tufted carpet.
    Type: Grant
    Filed: May 23, 1984
    Date of Patent: December 3, 1985
    Assignee: Burlington Industries, Inc.
    Inventor: Franklin E. Williams