Granted Patent
Utility
US 5,965,522 · App. 09/106,891
Stem cell factor formulations and methods
Inventor:
Susan Irene Hershenson
Patented Case
View Patent ↗
Granted: Oct 12, 1999
Filed: Jun 29, 1998
Inventor
Susan Irene Hershenson
Assignee (at issue)
Amgen Inc.
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.