Patents by Inventor Siegfried Nafzger

Siegfried Nafzger 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).

  • Compressed air and underpressure supply unit
    Patent number: 5222871
    Abstract: A supply unit for providing compressed air and reduced pressure for dental surgery comprising several superimposed supply components including at least a compressor unit and a suction unit each unit containing a base plate and a cover plate and vertical posts that connect these plates as well as wall panels.
    Type: Grant
    Filed: September 9, 1991
    Date of Patent: June 29, 1993
    Assignee: Durr Dental GmbH & Co KG
    Inventors: Gunter Meyer, Siegfried Nafzger, Reiner Boser