Patents by Inventor Georg Sperber

Georg Sperber 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).

  • Flip chart
    Patent number: 5697595
    Abstract: The flip chart has a panel (2) which is held on a vertical guide and can smoothly slide vertically and serves as a clipboard for single or multiple pages or as a writing board. The vertical guide is constituted by a central column (4) supported on a rolling base (3) which can be detached from the rolling base (3) along with the panel (2), and can be suspended on a wall rail (6) by means of rollers (5), can be slid laterally with the panel (2), and which additionally holds the panel (2) so that it can slide vertically.
    Type: Grant
    Filed: December 5, 1995
    Date of Patent: December 16, 1997
    Assignee: P & i Produkform und Industrietechnik GmbH
    Inventor: Georg Sperber