Patents by Inventor Douglas J. Hughes

Douglas J. Hughes 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: 5667035
    Abstract: An overhead platform elevation device for moving objects between a lower level of a building structure and an overhead storage space is provided including a rectangular platform having a base plate and a centrally disposed supporting surface, a motor assembly, opposed pulley assemblies, a plurality of platform adjustment cables, drive cables and telescoping stabilization members. The device of the invention is self storing, having the base plate of the platform raised flush with the ceiling of the building structure when in its raised storage position.
    Type: Grant
    Filed: October 19, 1995
    Date of Patent: September 16, 1997
    Inventor: Douglas J. Hughes