Patents by Inventor Walter W. Blakeman

Walter W. Blakeman 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).

  • Patent number: 4867441
    Abstract: An apparatus to allow a leg amputee having only a thigh stump to ride a bicycle comprising a height adjustable shaft assembly having a means rotatably attached to the lower end of the shaft assembly and attachable to the pedal of the bicycle and further having a thigh stump support assembly for attaching the thigh stump to the shaft assembly.
    Type: Grant
    Filed: August 23, 1988
    Date of Patent: September 19, 1989
    Inventor: Walter W. Blakeman