Patents by Inventor Rita Danielak

Rita Danielak 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).

  • Sock-like shoe insert
    Patent number: 5526584
    Abstract: A sock-like shoe insert is provided which incorporates an upper of waterproof, water-vapor permeable functional layer for waterproof, breathable footwear and a sole of a waterproof, non-porous plastic film that can be stretched in two directions.
    Type: Grant
    Filed: January 10, 1994
    Date of Patent: June 18, 1996
    Inventors: Walter Bleimhofer, Rita Danielak