Patents by Inventor Katherine A. Szudy

Katherine A. Szudy 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).

  • Handrail for aiding visually handicapped
    Patent number: 5065837
    Abstract: An improved handrail is provided to aid a visually handicapped person in moving up and down stairs. The handrail extends along the stairs. Indicia on the handrail identifies the steps along which the handrail extends. The indicia is in the braille system and includes characters which project downwardly away from a lower side of the handrail.
    Type: Grant
    Filed: February 5, 1991
    Date of Patent: November 19, 1991
    Inventor: Katherine A. Szudy