Patents by Inventor Maria Szczepanski

Maria Szczepanski 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: 6422653
    Abstract: A foot rest lifting and lowering device for a wheelchair. The device includes a footrest coupled to a wheelchair. The footrest includes a bar attached to the wheelchair, a horizontally orientated rod rotatable coupled to a bottom end of the bar, and a plate integrally coupled to the bar and is positionable between a horizontal position and a vertical position. The device includes a shaft rotatably mounted to the wheelchair. A first and second flexible elongated member each have a first end and a second end. The first end of the first elongated member is coupled to a top surface of the plate. The first end of the second elongated member is attached to a bottom surface of the plate. The second ends of the elongated members are attached to the shaft and wound about the shaft in opposite directions to each other.
    Type: Grant
    Filed: April 27, 2001
    Date of Patent: July 23, 2002
    Inventors: Pawel Szczepanski, Maria Szczepanski