Patents by Inventor Linda H. Smith

Linda H. Smith 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).

  • Microporous discs of elastic segmented polyurethane
    Patent number: 5126181
    Abstract: Solutions of segmented polyurethanes are coagulated to form flat circular microporous structures having a substantially continuous pore-free surface and a substantially open pore surface.
    Type: Grant
    Filed: September 23, 1991
    Date of Patent: June 30, 1992
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Garret D. Figuly, Linda H. Smith
  • Microporous elastic segmented polyurethane shaped structure
    Patent number: 5094914
    Abstract: Solutions of segmented polyurethanes are coagulated to form shaped structures comprising a substantially continuous pore-free sheath surrounding a cellular core.
    Type: Grant
    Filed: December 20, 1990
    Date of Patent: March 10, 1992
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Garret D. Figuly, Hsiang Shih, Linda H. Smith