Patents by Inventor William G. Vosburgh

William G. Vosburgh 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).

  • Embossing secondary backings of carpets
    Patent number: 4412877
    Abstract: An improved process is provided for making tufted carpets having bonded nonwoven fabric secondary backings. After the secondary backing has been laminated to a back-sized and tufted primary backing to form a carpet composite, the composite is passed through a nip to emboss the secondary backing and provide a less stiff, easier to install carpet.
    Type: Grant
    Filed: April 21, 1982
    Date of Patent: November 1, 1983
    Assignee: E. I. Du Pont de Nemours & Co.
    Inventor: William G. Vosburgh