Granted Patent
Utility
US 5,906,978 · App. 08/869,331
Method for iron delivery to a patient by transfer from dialysate
Inventor:
Stephen R. Ash
Patented Case
View Patent ↗
Granted: May 25, 1999
Filed: Jun 5, 1997
Inventor
Stephen R. Ash
Assignee (at issue)
HemoCleanse, 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.