Patents by Inventor Ruth S. Williams

Ruth S. 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).

  • Waterproof breathable sock
    Patent number: 4809447
    Abstract: A multi-component, waterproof, sock-type article is provided comprising a waterproof, non-elastic, non-stretch sole component having a heel portion and a toe portion, a waterproof, non-elastic, non-stretch calf component, the calf component being attached to and forming a seam with the sole component at the heel portion, a vamp component attached to and forming seams with the sole and calf components, the vamp component comprising a waterproof, breathable, elastic, stretchable material having stretchability of more than 70%, the calf component being tapered inwardly proceeding upwardly from the heel portion of the sole component, all seams in the article being sealed with a waterproof material.
    Type: Grant
    Filed: November 13, 1987
    Date of Patent: March 7, 1989
    Assignee: W. L. Gore & Associates, INC.
    Inventors: David J. Pacanowsky, Ruth S. Williams
  • Sock
    Patent number: D311807
    Type: Grant
    Filed: November 13, 1987
    Date of Patent: November 6, 1990
    Assignee: W. L. Gore & Associates, Inc.
    Inventors: David J. Pacanowsky, Ruth S. Williams