Patents by Inventor Rudi Grutz

Rudi Grutz 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).

  • Dental Retraction Device and Process of its Production
    Publication number: 20110229849
    Abstract: The invention relates to dental retraction device having the shape of a yarn comprising twisted staple fibers, the twisted staple fibers comprising an alginate containing component, wherein the length of the staple fibers is in a range of about 10 to about 200 mm and/or wherein the staple fiber fineness is at least about 1 dtex. The invention also relates to a method for producing such a device as well as the use of this device in a process for retracting dental tissue.
    Type: Application
    Filed: September 25, 2009
    Publication date: September 22, 2011
    Inventors: Andreas R. Maurer, Rudi Grutz, Thomas Klettke, Robert F. Peez, Rüdiger Hampe, Schulte Christoph