Patents by Inventor Michael T. Goodall

Michael T. Goodall 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).

  • Carpet yarn having hollow filament cross-sections containing four continuous voids
    Patent number: 5279897
    Abstract: A carpet yarn containing continuous synthetic filaments having a four sided cross-sectional contour and four substantially equispaced continuous voids are disclosed. The voids have a substantially round or nonround shape, and each void is substantially centered on a side of the filament's contour.
    Type: Grant
    Filed: October 30, 1992
    Date of Patent: January 18, 1994
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Michael T. Goodall, Craig A. Jackson, Perry H. Lin
  • Hollow filament cross-sections containing four continuous voids
    Patent number: 5190821
    Abstract: Continuous synthetic filaments having a four sided cross-sectional contour and four substantially equispaced continuous voids are disclosed. The voids have a substantially round or nonround shape, and each void is substantially centered on a side of the filament's contour.
    Type: Grant
    Filed: July 24, 1991
    Date of Patent: March 2, 1993
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Michael T. Goodall, Craig A. Jackson, Perry H. Lin