Patents by Inventor Chun H. Hou

Chun H. Hou 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: 5437425
    Abstract: A folding stand for an office chair stand includes an annular frame to hold the upright shaft of an office chair, a plurality of radial lugs horizontally spaced around the annular frame, and a plurality of legs respectively hinged to the radial lugs and supported on a respective wheel assembly and turned between a working position in line with the respective lug and a collapsed position perpendicular to the respective lug, and retainer springs respectively retained in either leg to lock the respective leg in the working position or the collapsed position.
    Type: Grant
    Filed: February 14, 1994
    Date of Patent: August 1, 1995
    Inventor: Chun H. Hou