Granted Patent
Utility
US 4,863,727 · App. 07/273,760
Combination therapy using interleukin-2 and tumor necrosis factor
Inventors:
Robert Zimmerman, Jeffrey L. Winkelhake
Patented Case
View Patent ↗
Granted: Sep 5, 1989
Filed: Nov 16, 1988
Inventors
Robert Zimmerman
Jeffrey L. Winkelhake
Assignee (at issue)
Cetus 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.