Patents by Inventor Klaus-Dieter Schwab

Klaus-Dieter Schwab 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).

  • Stereomicroscope having a specimen changer
    Patent number: 6137628
    Abstract: The invention is directed to a stereomicroscope having a specimen changer which is at least so configured that it is rotatable about a column of a column stand and the specimen changer has receptacles for specimens arranged on a circular path passing through the viewing beam path. The specimen changer includes an inner stationary part and an annular-shaped outer part which includes the receptacles for the specimens. The specimen receptacles have a diameter suitable for receiving commercially available petri dishes.
    Type: Grant
    Filed: August 4, 1998
    Date of Patent: October 24, 2000
    Assignee: Carl Zeiss Jena GmbH
    Inventors: Winfried Kraft, Klaus-Dieter Schwab