Patents by Inventor Stephen J. Haase

Stephen J. Haase 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: 7182356
    Abstract: A wheelchair security system comprises a wheelchair body fabricated of non-metallic material. The body has a pair of side portions, a backrest portion and a seat portion. Each side portion has a bearing mounting recess, a footrest, a main wheel axle mounting aperture, seat mounting holes, a handle and a seat subassembly. A pair of rectangular shaped footrest pieces are provided. Further provided is a pair of front wheels. An axle is also provided. Provided further is a pair of rear wheels. The rear wheels are coupled to the axle. Provided last is a metal detector sized to allow the passage of the wheelchair system through the passageway.
    Type: Grant
    Filed: September 6, 2002
    Date of Patent: February 27, 2007
    Inventor: Stephen J. Haase