Patents by Inventor Melvin Kahn

Melvin Kahn 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).

  • Cane tip
    Patent number: 5485862
    Abstract: A cane for use by a visually handicapped person which has a tip at its bottom end which has a relatively broad outwardly facing convex contact surface. When slid along the ground as the person walks, the cane tip, which is preferably a hollow shell, provides auditory and kinesthetic clues about the environment and any impediments in the path of the user, yet cannot get caught, stuck or hung up on any obstacles.
    Type: Grant
    Filed: April 8, 1994
    Date of Patent: January 23, 1996
    Inventor: Melvin Kahn
  • Cane tip
    Patent number: 5301703
    Abstract: A cane has a tip at its bottom end, which tip is in the shape of a hemispherical shell. The cane is for the use of a visually handicapped person. When slid along the ground as the person walks, it provides auditory and kinesthetic clues about the environment and any impediments in the path of the user, yet cannot get caught, stuck or hung up on any obstacles.
    Type: Grant
    Filed: July 2, 1993
    Date of Patent: April 12, 1994
    Inventor: Melvin Kahn