Patents by Inventor Steven R. Pfister

Steven R. Pfister 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: 4976406
    Abstract: A portable, self-supporting, collapsible utility stand is described for supporting a trash bag or the like in an upright manner with its top open to receive the deposit of trash or other material therein. The stand includes two U-shaped frame sections which are connected together in a manner such that they will pivot with respect to each other between open and closed positions. Wheels are connected to the lower end of one of the frame sections. The upper end of the other frame section includes a handle to facilitate movement of the stand when needed. A bag is supported within the area defined by the frame sections, and the upper end of the bag is supported in an open condition by the frame sections. A pivotable cover/chute member is supported by one of the frame sections and can be pivoted between open and closed positions.
    Type: Grant
    Filed: October 10, 1989
    Date of Patent: December 11, 1990
    Assignee: BPP Corporation
    Inventors: Clifford J. Buckley, Steven R. Pfister