Patents by Inventor Georges Zwingelstein

Georges Zwingelstein 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).

  • Process for the cultivation of viruses
    Patent number: 4169761
    Abstract: Viruses, especially rabies virus, can be cultivated on an industrial scale using a fermenter containing a suspension of cells and also collagen fibres.
    Type: Grant
    Filed: June 23, 1978
    Date of Patent: October 2, 1979
    Assignee: Institut Merieux
    Inventors: Pierre Precausta, Marc Bugand, Philippe Comte, Georges Zwingelstein