Patents by Inventor Ralph Blechner

Ralph Blechner 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).

  • Walker device
    Patent number: 4474202
    Abstract: A walker device for aiding crippled or infirm persons to walk and to rise from a sitting position to a standing position. The walker device includes a mechanism located at floor level and secured to the legs of the device for applying foot pressure to the frame of the walker as the person rises from a sitting position to a standing position.
    Type: Grant
    Filed: May 17, 1982
    Date of Patent: October 2, 1984
    Inventor: Ralph Blechner