Patents by Inventor David S. Feingold

David S. Feingold 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).

  • Patent number: 4842855
    Abstract: Preparing a nonviable, aqueous, ether-extracted Brucella abortus preparation (BRU-PEL) and introducing the same into a patient in a dosage effective to resist tumor development. The procedure may advantageously be followed either before the appearance of visible tumors or within a reasonable time after the appearance of the same.
    Type: Grant
    Filed: May 7, 1984
    Date of Patent: June 27, 1989
    Assignee: University of Pittsburgh
    Inventors: Julius S. Youngner, David S. Feingold, Georg Keleti