Granted Patent
Utility
US 5,603,902 · App. 08/454,951
Method and apparatus for cleaning a dialysate circuit downstream of a dialyzer
Inventors:
Jo-Ann B. Maltais, Archie T. Wood, Roy Sven Hovland
Patented Case
View Patent ↗
Granted: Feb 18, 1997
Filed: May 31, 1995
Inventors
Jo-Ann B. Maltais
Archie T. Wood
Roy Sven Hovland
Assignee (at issue)
Cobe Laboratories, 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.