Patents by Inventor William Kropa

William Kropa 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: 7090303
    Abstract: A rehabilitation training and exercise chair where the user can sit comfortably for long periods of time is provided. The chair is comprised of a base having wheels and is coupled to a shaft on one end. The shaft is coupled to a seat on its top end. The seat has an adjustable inclination so the correct ergonomics may be realized for the pelvis and lower spine. A front support bar with an adjustable length is connected to the seat and can be pivoted back or forward. The front support bar has a cushioned front support which rests against a user's abdomen. Furthermore, abductor and adductor extensions are attached to the seat, and foot extensions attached to the base for isometric exercises.
    Type: Grant
    Filed: June 5, 2003
    Date of Patent: August 15, 2006
    Inventor: William Kropa
  • Publication number: 20040245836
    Abstract: A rehabilitation training and exercise chair where the user can sit comfortably for long periods of time is provided. The chair is comprised of a base having wheels and is coupled to a shaft on one end. The shaft is coupled to a seat on its top end. The seat has an adjustable inclination so the correct ergonomics may be realized for the pelvis and lower spine. A front support bar with an adjustable length is connected to the seat and can be pivoted back or forward. The front support bar has a cushioned front support which rests against a user's abdomen. Furthermore, abductor and adductor extensions are attached to the seat, and foot extensions attached to the base for isometric exercises.
    Type: Application
    Filed: June 5, 2003
    Publication date: December 9, 2004
    Inventor: William Kropa