Granted Patent
Utility
US 5,425,940 · App. 08/191,277
Combination therapy using interleukin-2 and tumor necrosis factor
Inventors:
Robert Zimmerman, Jeffrey L. Winkelhake
Patented Case
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Granted: Jun 20, 1995
Filed: Feb 3, 1994
Inventors
Robert Zimmerman
Jeffrey L. Winkelhake
Assignee (at issue)
Cetus Oncology Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.