Granted Patent
Utility
US 6,355,774 · App. 08/854,039
Isolated p27 protein
Inventors:
Joan Massague, James Roberts, Andrew Koff, Kornelia Polyak
Patented Case
View Patent ↗
Granted: Mar 12, 2002
Filed: May 9, 1997
Inventors
Joan Massague
James Roberts
Andrew Koff
Kornelia Polyak
Assignees (at issue)
Fred Hutchinson Cancer Research Center
Kettering Institute for Cancer Research
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.