Patents by Inventor Joyce Shaffer

Joyce Shaffer 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).

  • Publication number: 20050284829
    Abstract: A portable bookshelf apparatus that is collapsible and can be easily moved and placed in a new location with minimum effort. An adjustable pressure system enables a configuration of shelves, vertical supports, stabilizer bar and anchors to be secured in a variety of configurations. In a preferred embodiment, the apparatus is supported on a stationery base. In a second embodiment, a plurality of wheels affixed underneath the base enable the apparatus to be moved in various directions. In a third embodiment, a turntable base, used alone or in conjunction with one or a plurality of upper turntables, enable the apparatus to be moved in various directions.
    Type: Application
    Filed: June 28, 2004
    Publication date: December 29, 2005
    Inventor: Joyce Shaffer