Patents by Inventor Robert Oppolzer

Robert Oppolzer 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 impression tray
    Patent number: 8449294
    Abstract: A dental impression tray is provided having a wall including at least one retaining element. The retaining element at least partially overhangs an associated passageway, wherein the passageway extends between first and second wall surfaces that face in different directions Further, methods and molds to form a dental impression tray according to the invention are provided and a kit including a plurality of such dental impression tray.
    Type: Grant
    Filed: September 20, 2007
    Date of Patent: May 28, 2013
    Assignee: 3M Innovative Properties Company
    Inventors: Jens Gramann, Robert Oppolzer, Ingo W. Wagner, Urs Mahnel
  • DENTAL IMPRESSION TRAY
    Publication number: 20100151408
    Abstract: A dental impression tray is provided having a wall comprising at least one retaining element. The retaining element at least partially overhangs an associated passageway, wherein the passageway extends between first and second wall surfaces that face in different directions. Further, methods and molds to form a dental impression tray according to the invention are provided and a kit comprising a plurality of such dental impression trays.
    Type: Application
    Filed: September 20, 2007
    Publication date: June 17, 2010
    Inventors: Jens Gramann, Robert Oppolzer, Ingo W. Wagner, Urs Mahnel