Patents by Inventor Darren S. Quinn

Darren S. Quinn 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: 5458971
    Abstract: Pillows and other filled articles are filled with bicomponent polyester fibers that have "spiral crimp" on account of a difference in chain-branched content of the polyester polymers of the components. Such bicomponent fibers are preferably novel hollow "spiral crimp" bicomponent fibers.
    Type: Grant
    Filed: September 30, 1994
    Date of Patent: October 17, 1995
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Ismael A. Hernandez, William J. Jones, Jr., Darren S. Quinn