Granted Patent
Utility
US 5,116,943 · App. 07/192,293
Oxidation-resistant muteins of Il-2 and other protein
Inventors:
Kirston E. Koths, Robert F. Halenbeck, David F. Mark, Danutee Nitecti
Patented Case
View Patent ↗
Granted: May 26, 1992
Filed: May 10, 1988
Inventors
Kirston E. Koths
Robert F. Halenbeck
David F. Mark
Danutee Nitecti
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.