Granted Patent
Utility
US 5,989,206 · App. 08/962,164
Apparatus and method for the dialysis of blood
Inventors:
Frank R. Prosl, Brian Estabrook
Patented Case
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Granted: Nov 23, 1999
Filed: Oct 31, 1997
Inventors
Frank R. Prosl
Brian Estabrook
Assignee (at issue)
BIOLINK 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.