Granted Patent
Utility
US 5,885,962 · App. 08/628,428
Stem cell factor analog compositions and method
Inventor:
Hsieng Sen Lu
Patented Case
View Patent ↗
Granted: Mar 23, 1999
Filed: Apr 5, 1996
Inventor
Hsieng Sen Lu
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.