Granted Patent
Utility
US 4,863,726 · App. 07/130,684
Combination therapy using immunotoxins with interleukin-2
Inventors:
Paul Stevens, L. L. Houston, Kirston E. Koths, Brian Issell, Robert Zimmerman
Patented Case
View Patent ↗
Granted: Sep 5, 1989
Filed: Dec 9, 1987
Inventors
Paul Stevens
L. L. Houston
Kirston E. Koths
Brian Issell
Robert Zimmerman
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.