Granted Patent
Utility
US 6,582,385 · App. 09/027,301
Hemofiltration system including ultrafiltrate purification and re-infusion system
Inventors:
Jeffrey H. Burbank, C David Finch, James M. Brugger
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: Feb 19, 1998
Inventors
Jeffrey H. Burbank
C David Finch
James M. Brugger
Assignee (at issue)
NStage Medical, 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.