Patents by Inventor Stefan Wolz

Stefan Wolz 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: 6074690
    Abstract: The invention concerns a process for the production of a frame for inlays, crowns and bridges in dental techniques. By means of the process, a considerable reduction in work and time expenditure is achieved in comparison with known processes. In the case of this process, frames of spinel, alumina, zirconia, metal powder or similar materials are produced in that a) a shrink foil is drawn on the stump or the stumps of a working model; b) the draw-non shrink foil is provided with a slip; and c) the shrink foil and the slip present on the shrink foil are removed from the working model and calcined to burn off the shrink foil.
    Type: Grant
    Filed: September 25, 1998
    Date of Patent: June 13, 2000
    Inventor: Stefan Wolz