Granted Patent
Utility
US 6,361,998 · App. 09/339,838
Efficient culture of stem cells for the production of hemoglobin
Inventors:
David Bell, Kathryn Matthews, Susan Mueller
Patented Case
View Patent ↗
Granted: Mar 26, 2002
Filed: Jun 25, 1999
Inventors
David Bell
Kathryn Matthews
Susan Mueller
Assignee (at issue)
Hemosol, 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.