Patents by Inventor Henry Markiel

Henry Markiel 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).

  • Adjustable walker attachment for wheel chairs
    Patent number: 3999778
    Abstract: A walker for use with a wheel chair is disclosed. The walker has a generally U-shaped frame with a column swingably attached to the intermediate part of the U-shaped frame. A caster wheel is attached to the distal end of the column and a tube is swingably attached to the distal ends of the U-shaped frame. A pair of brackets are provided by attaching the front side of the wheel chair to the brackets. Each of the brackets has a telescoping pin. Clamps are provided on the tubular brackets which can be attached to the wheel chair and which receive the telescoping pins attached to the U-shaped frame.
    Type: Grant
    Filed: November 1, 1974
    Date of Patent: December 28, 1976
    Inventor: Henry Markiel